PHASE - 2540 ads

Wednesday, June 24, 2020

Quantity : 10000PCS/m - Price : 50-70USD

Single Phase WiFi Energy Meter Meter-WiFi (Single Phase) is a Din rail, Bidirectional, Wi-Fi Energy Meter/Wi-Fi Electricity Monitor. It is highly-integrated, single-phased power meter with Wi-Fi module embedd... View More Three Phase WiFi Energy Meter Three Phase WiFi Energy Meter...

Wednesday, June 24, 2020

Quantity : 10000PCS/m - Price : 50-70USD

Overview The Wi-Fi inverter data logger (WE3162/WU3162) has an embedded Wi-Fi module, which can connect and transmit the data to remote monitoring portal via Wi-Fi. It can collect all the accurately real-time data, including status, performance and alarms from solar inverter by standard...

Wednesday, June 24, 2020

Quantity : 10000PCS/m - Price : 50-70USD

Overview WTH3080 is a Wi-Fi temperature or temperature and humidity sensor kit, including a Wi-Fi data logger, a temperature sensor or a temperature and humidity sensor, and a USB power cable. With this product kit, remotely measuring Temperature and Humidity data has never been so easier...

Wednesday, June 24, 2020

Quantity : 10000PCS/m - Price : 50-70USD

Overview iMeter-WiFi (Single Phase) is a Din rail, Bidirectional, Wi-Fi Energy Meter/Wi-Fi Electricity Monitor. It is highly-integrated, single-phased power meter with Wi-Fi module embedded, which can measure and transmit the data of specific electricity equipments, such as single-phase...

Wednesday, June 24, 2020

Quantity : 10000PCS/m - Price : 50-70USD

Overview We can provide professional IoT solutions for customized remote management systems for PV power plant monitoring system or remote monitoring system for solar power plant. Up to now, many inverter manufacturers and PV enterprises have established cooperation relationship with us...

Wednesday, June 24, 2020

Quantity : 10000PCS/m - Price : 50-70USD

Overview Iammeter is a dedicated Remote Energy Monitoring System developed by us, to which you can connect our Wi-Fi energy meter and then start to monitor the electricity usage for your household electricity system, or commercial electricity system, or industrial electricity system...

Wednesday, June 24, 2020

Quantity : 10000PCS/m - Price : 50-70USD

You can start to monitor, analyze and save your energy by using the product series of our smart energy monitor, including energy monitoring system and internet-enabled energy meter. You monitor the electricity usage on line for your household electrical system, or commercial electricity system...

Tuesday, June 23, 2020

Quantity : 10000 - Price : 9 500,00 €

SAIL is an professional house lift manufacturers offers well designed and manufactured house lifts for sale. Home passenger lifts provide passengers with convenience, which gives people a higher level of quality of life. SAIL is a very experienced house lift manufacturer and we...

Friday, June 19, 2020

Price : 50,000~50,000,000USD

DESCRIPTION OF ROTATING HORSE The Rotating Horse is the new amusement equipment designed by us according to the market needs and specific requirements of users. Compared with other similar products, it has many outstanding advantages: the outward appearance is smooth and natural;...

Friday, June 19, 2020

Price : 50,000~50,000,000USD

DESCRIPTION OF Octopus fun fair ride is a large amusement equipment developed by our factory, which belongs to the category of automatic control aircraft. The design inspiration comes from octopus, a marine mollusk. Five large arms rise and fall in the rotation, and 20 orange cabins...

Friday, June 19, 2020

Quantity : Customized - Price : 50,000~50,000,000USD

DESCRIPTION OF FROG HOPPER RIDE Hopper ride, also known as jumping frog fair ride, is a kind of amusement equipment which uses flexible parts to hang the seat for vertical lifting. The main structure includes gantry, seat and oil cylinder. The seats use the steel wire rope to bypass...

Friday, June 19, 2020

Quantity : Customized - Price : 50,000~50,000,000USD

DESCRIPTION OF GYRO SWING The gyro swing ride is a kind of large rotating amusement equipment, which consists of main support, hanging device, pendulum and electrical system. The main part of the equipment is a truss structure, and the shell of the pendulum is glass reinforced plastic...

Friday, June 19, 2020

Quantity : Customized - Price : 50,000~50,000,000USD

Name: Flying Chair Ride Location: FuYang,Anhui Province,China DESCRIPTION OF FLYING CHAIR RIDE Flying Chair Ride is one of the most classic and necessary amusement rides in parks. Passengers sitting in the hanging chair rise gradually with the rotation of axis and spin, feeling like...

Friday, June 19, 2020

Quantity : Customized - Price : 50,000~50,000,000USD

DESCRIPTION OF FLUME RIDE The Flume Ride is a water mobile amusement equipment, which is popular in water parks and theme parks. The circuits of the ride can be several hundred meters with at least one peak. The boat will be brought up a lift o the peak of 20 meters or higher track...

Tuesday, June 16, 2020

Quantity : 1000 pcs - Price : USD80-USD230

Brushless DC electric motor (BLDC motors, BL motors) also known as electronically commutated high speed motor for drone, or synchronous DC motors, are sensored brushless motor powered by DC electricity via an inverter or switching power supply which produces an AC electric current...

Thursday, June 04, 2020

Quantity : 1 - Price : 2.99-114usd

24V Submersible DC Water Pump, Ultra-quiet, safe and energy-saving, comes with a controller for operation. Full DC variable-frequency control, safe and low voltage, long service life. Specifications Voltage: 24VPower: 45W, 35WDC Aquarium Water Pump Details: - Made of ABS. - Size...

Saturday, May 16, 2020

Quantity : 6000pc/mon - Price : 100USD

The thrie beam guardrail is the main form of the semi-steel guardrail. It is a continuous structure in which corrugated steel guardrails are spliced to each other and supported by columns. The corrugated fence of the expressway has a soft phase and strong ability to absorb collision energy...

Sunday, May 10, 2020

Quantity : 999

Yunwo smart magnetic levitation automatic door is a brand of Zhuoyuan Company. Guangzhou Zhuoyuan Company was established in 1999 and started the magnetic levitation automatic door in 2016. Because it is specialized in the machinery industry, the technology of automatic door is relatively mature...

Friday, May 08, 2020

KE600B series high-performance spindle servo drive built-in position loop and servo positioning function. When used in the machine, it can realize closed-loop control of the spindle motor which has the encoder with the fast response and smooth speed feature.KE600B ac spindle drive...

Friday, May 08, 2020

KE600A series is developed on the basic of KE300, with more powerful functions, fit for more complex applications. Integrated with closed loop vector control vfd, sensorless vector control, V/f control, torque control and soft start functions, KE600 has been widely applied in the...

Friday, May 08, 2020

KE300B series singe tube type 220v to 380v three phase inverter positioned as using the high performance of small power market; product using the leading international vector control algorithm, with excellent product features, compatible with wall and rail installation, and the product...

Tuesday, April 14, 2020

Quantity : 18 - Price : 1 300,00 €

Selling of 20' Container of Green Coffee Robusta from Angola grade BB. Robusta coffee from Angola is famous in the international market, providing a neutral and pleasant drink, without showing the typical penetrating Robusta flavour. It is used in mixtures with arabica coffee, giving...

Wednesday, April 08, 2020

Importance of Proper Models of HPLC Column In practical application, proper models of the HPLC column have a great influence on the performance or operation of the HPLC column. Improper models could greatly reduce the filtration effect. The HPLC column of high purity silica gel matrix...

Wednesday, April 01, 2020

The properties of the reversed-phase filler are determined by the matrix and the substrate. the particle shape, size, pore size and pore size distribution of the matrix, specific surface area, residual silicon hydroxyl concentration, and the content of impurity ions will all have...

Tuesday, March 31, 2020

SPE technology is a physical extraction process including liquid phase and solid phase based on the theory of liquid-solid chromatography, which uses selective adsorption, selective elution to enrich, separate and purify the sample. In daily application, SPE cartridge can also be...

Monday, March 30, 2020

1. Why does the QuEChERS approach recommend use dry ice or liquid nitrogen homogenizing frozen samples and extracting samples while frozen? The frozen samples were homogenized with dry ice or liquid nitrogen, and the samples were made into a fine powder (smaller particle size, more homogeneous)...

Wednesday, March 25, 2020

PureFlash series: silica gel construction and phase column. For example, C18(spherical inlet and irregular home-made), C4, C8, NH2, CN, HILIC, and oxide which are all imported fillers, corresponding to the high-end market. DepuFlash series: silicone construction and phase columns...

Wednesday, March 25, 2020

Character of syringe filter 1. The PTFE membrane of the syringe filter is completely made of natural and permanent hydrophobic PTFE material. Even under a very low pressure difference, it can ensure that moist air or other gases can pass without hindrance, while the aqueous solution...

Tuesday, March 24, 2020

Remove the column outlet end If the pressure does not drop, the HPLC column is blocked. Treatment: if the buffer salt is blocked, flush 95% water to normal pressure. If some strongly retained substances cause blockage, the mobile phase stronger than the current one should be used...

Tuesday, March 24, 2020

The capacity of the SPE cartridge refers to the adsorption amount of the column packing. For silica-based solid-phase extraction columns, the capacity is generally 1 to 5 mg/100 mg, which means that the column capacity is 1% to 5% of the mass of the packing. The capacity of the bonded...

Thursday, March 19, 2020

Quantity : 10000 unit - Price : USD 9500

SAIL Elevator is an professional house lift manufacturer offers well designed and manufactured house lifts for sale. Home passenger lifts provide passengers with convenience, which gives people a higher level of quality of life. SAIL is a very experienced house lift manufacturer and...

Wednesday, March 18, 2020

Flash column is usually used for the chromatography experiment to separate the complicated compounds by pressurizing air. The hot air enters the stirring, crushing and drying chamber from the bottom of the dryer at a suitable spraying speed from the inlet pipe, which produces strong...

Wednesday, March 18, 2020

Widely used to remove particles from a liquid sample and avoid damage to equipment at the same time, syringe filter is affordable tool in the labs, which the scientists can use for small-volume filtration. You can find two different types of filters, one is with which you can recover your sample...

Tuesday, March 17, 2020

Cleaning and storage of HPLC column Have a good understanding of the sample made, and wash it with the mobile phase that has the strongest eluting capacity for the sample. For silica gel HPLC column, first wash away the polar impurities with methanol, then use dry dichloromethane...

Tuesday, March 17, 2020

How to understand the chromatographic separation? Put it in short, the more similar the separated substance to the stationary phase, the longer the residence time on it. In this way, different substances in a complex mixed solution can be separated according to time, and the separated...

Saturday, March 14, 2020

- Welcome to Hawach Scientific Co., Ltd! - Preparing to launch a new project or enter a new market? With Hawach's custom synthesis services, you are not alone. As one of the chemical manufacturing companies, we specialize in implementing your exclusive project. From chemical design...

Tuesday, March 10, 2020

Types of HAWACH HPLC Column There are 2 kinds of HAWACH HPLC columns: Xcheoma series: with many types of fixed phase; with complete varieties and high quality. C18-Aqueous; C18-universal;C18-low pH; C18-Alkaline; C8-universal; C8-Low pH; C8-Fluorine; C4; C30; C1;Phenyl; PAH; etc Echroma series...

Tuesday, March 10, 2020

1.Mixed-mode cation exchange r: A mixed adsorbent having strong cation exchange and reverse retention, which is highly selective for alkaline analytes, stable in organic solvents. 2.Weak cation exchanger: Weak cation exchange and reverse retention complex mechanism, which is used...

Friday, March 06, 2020

Quantity : 1 - Price : USD 13000-16000

- Details Images - - Products Description - Dimension: 7820mm×2300mm×2000mm Working height: 900mm±25mm Working width: 650mm Wheel base: 28mm 35mm 48mm 70mm Working speed: 2m/mm(preset working speed) Supply voltage: Three phase four wire,380V/50Hz Total power: 41KW...

Thursday, March 05, 2020

Brushless DC electric motor (BLDC motors, BL motors) also known as electronically commutated motors (ECMs, EC motors), or synchronous DC motors, are sensored brushless motor powered by DC electricity via an inverter or switching power supply which produces an AC electric current to...

Wednesday, January 22, 2020

The sealing property of the headspace vial is better than that of the threaded vial, and the rubber or silica gel has good re-sealing after the puncture, so it is ideal to preserve the reagents. If some of the organic solvents in use will corrode the silicone or rubber bottle pad...

Tuesday, January 21, 2020

The FLASH column is the heart of the FLASH purification system, like an engine in a car. If you want to do a good job, you must first sharpen the tools. Choosing the correct FLASH purification column is the most critical part of the whole purification process. And choosing the right...

Monday, January 20, 2020

As we know, five steps required for solid phase extraction cartridge: sample preparation, activation or equilibration of the column, loading, rinsing and eluting the compound of interest. There is no uniform regulation for that the solid phase extraction cartridge should be activated...

Monday, January 20, 2020

1. Nylon Features: good temperature resistance, can withstand 121°C saturation steam hot pressure disinfection for 30min, the highest operating temperature of 60°C, good chemical stability, can withstand dilute acid, dilute base, , ester, oil, hydrocarbons, halogenated hydrocarbons...

Monday, January 20, 2020

1. Why does the retention time sometimes drift and sometimes change rapidly when analyzed by HPLC? How to solve it? About drift ① The temperature control is not good. The solution is to use a constant temperature device to keep the HPLC column temperature constant. ② The mobile phase...

Sunday, January 19, 2020

The QuEChERS method is a sample preparation technology based on solid-phase extraction and matrix solid-phase dispersion technology. It is suitable for the treatment of low-fat samples and can achieve ideal results for samples containing less than 15% fat. Because of its simple operation...

Thursday, January 16, 2020

Quantity : 30 sets/mo - Price : 1500USD-30500USD

The structure of the single shaft paddle mixer machine is firm and stable. The mixing paddle and material contact is made of stainless steel. Single shaft paddle agitator mixer has good corrosion resistance and keeps the quality and cleanness of the material without discoloration...

Thursday, January 16, 2020

Highlights of HAWACH flash column HAWACH flash column is packed with proprietary technology for automatic packing. The column bed is compact and uniform, has no “ditch flow effect”, with high resolution and good reproducibility. Different particle sizes of normal phase and reversed-phase...

Tuesday, January 14, 2020

The sample shall be dissolved as much as possible in solvents that are mutually soluble with the mobile phase. Except for special designation, the resolution of the sample HPLC column may be reduced if it is dissolved using a strong solvent. Besides, the sample solution shall be pre-filtered...

Monday, January 13, 2020

The dispersed solid phase extraction kit is selected based on the type of food being analyzed and the method used. In this step, the extracted sample is added in equal amounts to a 2 ml or 15 ml centrifuge tube. The centrifuge tube contains a small amount of solid phase extraction...

Friday, January 10, 2020

The extraction thimbles are made of selected high-quality material, using highly efficient and innovative technology and highly homogenized molds. It contains no impurities and the product pore size is uniform. It is often used for Soxhlet extraction and rapid solvent extraction,...

Thursday, January 09, 2020

Quantity : 1000pcs - Price : 10-100US D

Our box for circuit board is made of galvanized sheet and the surface is not treated. the production process throughout wear gloves to ensure that the surface of the product is flawless and free of stains. The middle molding is a simple molding mold making, which saves costs, reduces mold costs...

Wednesday, January 08, 2020

With the full line of different sizes, Hawach always provides you the high purity stationary phased packed flash column. And the column cartridge made from medical grade virgin PP and PE materials and different stationary phases prepacked will help you to meet a variety of compounds...

Tuesday, January 07, 2020

1.Nylon Features: Good high-temperature resistance, which can withstand 121°saturated steam autoclaving for 30 minutes, the maximum working temperature of 60 degrees Celsius; Good chemical stability, which can withstand a variety of organic and inorganic compounds such as dilute acids...

Tuesday, January 07, 2020

Hawach HPLC column is composed of a column tube, pressure cap, clamping sleeve (sealing ring), the screen plate (filter), joint, screw and so on. The column tube is made of stainless steel. When the pressure is not more than 70 kg/cm2, thick-wall glass or quartz tube can also be used...

Tuesday, January 07, 2020

Originally designed to analyze fruits and vegetables, QuEChERS now includes a variety of products. Since being developed and released by scientists at the United States department of agriculture in 2003, QuEChERS has gained increasing popularity as a method of selection. It combines...

Monday, January 06, 2020

Hawach solid phase extraction cartridges are designed for sample pretreatment to remove or minimize sample matrix and other interferences to “clean up” a sample prior to analysis. This procedure can also concentrate an analyte to achieve the desired sensitivity range of an analytical method...

Friday, January 03, 2020

Are you looking for yarn doubling machine? Introduction of Spun Twisting Machine: Spun twisting machine is a kind of twister machine for various yarns. This yarn twisting and doubling machine has long service life, and adopts flooding system lubricating to lower friction loss. The...

Friday, January 03, 2020

The vacuum filters are mainly applied for filtration of mobile phase of High-Performance Liquid Chromatography, particulate and microbiological contamination. They are the basic instruments in the chemistry lab. Particularly, the glass solvent filter can make filtration of all kinds...

Friday, January 03, 2020

The nylon filter membrane is applied to many industries. It may be used for the water filtration in the electronic, microelectronic and semiconductor industry, filtration of tissue culture medium, filtration of drug solution, beverage, and high purification chemical products, and...

Thursday, December 26, 2019

Fertilizer granulator machine is an important granulating equipment in fertilizer production. The granules produced are spherical, which improves the practicability of the product. The function of granulator can not be replaced. The characteristics of organic fertilizer granulator...

Thursday, December 19, 2019

For more information, please contact me The unit is suitable for large and mediumsized breeding companies and feed mills Features The unit is low energy conveyor for raw material feeding, high crushing efficiency, ribbon mixer for mixing, high mixing evenness, short mixing time .The...

Monday, December 16, 2019

The capacity of the SPE cartridge refers to the adsorption amount of the SPE cartridge packing. For silica-based SPE cartridge, the capacity is generally 1 to 5 mg/100 mg, that is, the cartridge capacity is 1%~5% of the mass of the packing. The capacity of the bonded silica ion exchange...

Friday, December 13, 2019

High-perfor mance liquid chromatography (HPLC) was developed on the basis of classical liquid chromatography and introduced gas chromatography theory in the late 1960s. It differs from classical liquid chromatography in that the filler particles are small and uniform, and the small...

Thursday, December 12, 2019

QuEChERS is a streamlined technique that makes it easier and cheaper for analytical chemists to examine the pesticide residues in agricultural products. It is exploited by many professors of the American Ministry of Agriculture in 2003, especially Anastassiades. This technique shares...

Thursday, December 12, 2019

Because the cotton fiber in the filter paper has a good affinity with water, it can absorb about 22 percent of the water, in the form of a hydrogen bond with cellulose water has 6 to 7 percent. In general, it is very difficult to remove. Compared with the affinity with water, the...

Wednesday, December 11, 2019

The HPLC reversed-phase column is made of high-purity and high-strength silica gel by using advanced bonding technology. It has a high surface bonding rate and good peak shape for alkaline and acidic compounds. With a high column capacity and long service life, it is the one for the...

Wednesday, December 11, 2019

Hawach SPE Cartridge falls into different types, concretely including Iron-Exchange、Mixed Mode、 Normal Phase、Polymeric and Reversed-Phase types, and each type also has its own sub-product. For example, Iron-Exchange is divided into Ion-Exchange NH2 SPE Cartridge, Ion-Exchange PRS SPE Cartridges...

Wednesday, December 11, 2019

Flow Process of HPLC column First, the solvent in the storage bottle is pumped into the chromatographic system by pump and then output, and then introduced into the sampler after flow and pressure measurement. Second, object to be tested is injected by the sampler, passes through...

Tuesday, December 10, 2019

The protective HPLC columns influence the separation result. First of all, the protective column has a good positive effect on the experiments. Even if the stationary phase is chosen incorrectly, the protective column can also be effective for separation. The protective column is...

Tuesday, December 10, 2019

To select the appropriate SPE cartridge, we normally consider it from two aspects: the selection of adsorbent and specification of the cartridge. The use of appropriate adsorbent can achieve good separation between interfering substance and target component, and also meet the requirement...

Monday, December 09, 2019

SPE cartridge A solid-phase extraction device is a physical extraction process involving a liquid phase and a solid phase. In the solid-phase extraction process, the adsorption of the solid relative analyte is greater than that of the sample mother liquor. When the sample passes through...

Tuesday, November 26, 2019

According to house structure door-opening requirements, backpack frame style or portal frame style elevator structure for your choice. VVVF drive technology special-purpose micro-computer panel control, smooth and comfortable. Non-well Solution Plan While installing domestic passenger...

Friday, November 08, 2019

Quantity : 1set - Price : USD2,500

Gypsum briquetting machine is a technical issue in making briquettes production process for gypsum briquetting machine to debug moisture of raw materials: the raw material in briquetting production process is too dry, the briquettes is easy to be broken and separated; Material is too wet...

Wednesday, November 06, 2019

SPECIFICATIONS This Machine is applicable for many kinds of bobbinless coil winding including: voice coils(square and racetrack type), laser head coils, hard disk coils, IC card coils, labeling machine coils, read and write card coils, inductor coils, vibrating motor coils, and some...

Wednesday, November 06, 2019

Quantity : 1000000000 - Price : USD3.5

- 1.CBB60 AC Motor Start and Run Capacitor - The CBB60 capacitor has a cylindrical aluminum case , riot gear and solder structure.The bottom of the capacitor can also be bolted and drawn out with flexible wires .The capacitor has small size, light weight and good self-healing. It...

Wednesday, November 06, 2019

Quantity : 1000000000 - Price : USD3.5

1.CBB61 AC Motor Fan Capacitor CBB61 Capacitors are rectangular in shape and are called metallized polypropylene film capacitors.It is based on polypropylene film capacitor dielectric,plate is coated on the film on a very thin layer of conductive material ,generally aluminum or galvanized...

Wednesday, November 06, 2019

Quantity : 1000000000 - Price : USD2.5

1.CBB65 AC Motor Capacitor The CBB65 Ac Motor Capacitor adopts zinc-aluminum edge thickened metallized polypropylene film as the electrode and the dielectric. It is tightly rolled by high speed winding machine, sealed by aluminum shell, and impregnated with refined castor oil at high...

Tuesday, October 29, 2019

Quantity : 25kg - Price : FOB Qingdao 2.4-2.9$

Description of Oil Drilling Grade CMC & PAC CMC & PAC can be used as fluid loss reducer or viscosifier in drilling fluids. The function of cmc oil drilling grade is to reduce the fluid loss as much as possible through forming low permeability, flexible, thin and compact filtration...

Tuesday, October 29, 2019

Price : 30-210 USD

Custom enzhen, a TRUE PCB MANUFACTURER. Because of the advantages (for example, cost, space, and weight savings) that flexible and Rigid-Flex-circuit boards have for some projects, they are used ever more frequently. PCBSKY can produce your flexible circuit boards with the highest quality...

Friday, October 25, 2019

FACE AVANT AUDI & Volkswagen Pour professionnel & particulier disponible en Belgique à Liege Le prix en MP Bloc avant complet: - Phare xenon complet - Capot - Bloc radiateur complet - Pare-choc complet - filtre a aire - cash moteur inférieur et supérieur - Tuyau de climatisation...

Thursday, October 24, 2019

The organic membrane is a material having a selective separation function, and when there is a driving force on both sides of the membrane (such as a pressure difference, a concentration difference, a potential difference, etc.), the raw material component selectively permeates the membrane...

Thursday, October 24, 2019

Quantity : 66 - Price : 666,00 €

Piston Metering Pump widely used in water treatment process such as municipal tap water,swimming pools, urban sewage, industrial effluent and kinds of chemical dosing,etc. Liquid End Features ·LE material: PP;PVC;PVDF;316SS ·Diaphragm material: PTFE ·Ball check material: Glass;Ceramic...

Thursday, October 24, 2019

Quantity : 666 - Price : 66,00 €

High Pressure Metering Pump widely used in water treatment process such as municipal tap water,swimming pools, urban sewage, industrial effluent and kinds of chemical dosing,etc Adjustment Options Manual Adjustment: wethwer the pump running or stopped ·Minimum adjustment scale is...

Wednesday, October 16, 2019

Price : USD 9500

Non-well Solution Plan While installing villa elevator near the corridor or outside the villa, bent forming steel frame and steel frame out of aluminum alloy section material are your first-choices in quickly building up elevator well .Steel structure well frame, it is of high cost performance...

Wednesday, October 16, 2019

Quantity : 3000 - Price : 1-100usd

Description LZQ is an OEM factory for all kinds of medical tools, such as Profile Drill P144, Dental Milling Bur/ Zirconia Bur P245, High Precision Fittings P76, Abutment/Transfer P25, ect. We can produce a whole kit of tools for customers' surgical cases. Product Details A complete...

Sunday, October 13, 2019

Solid phase extraction is a sample preparation method based on the chromatographic analysis. Solid phase extraction includes a solid phase (adsorbent with a certain functional group) and a liquid phase (sample and solvent). The liquid sample passes through a solid phase extraction...

Saturday, October 12, 2019

The stationary phase, commonly known as the fillers, is the most central part of chromatography. People need to determine three aspects of stationary phase information in turn before determine how to select the kind of the stationary phase of the flash purification column. They are matrix type...

Friday, October 11, 2019

Quantity : 200 sets - Price : USD3300

Standard Closed sealer housing Intuitive operator guidance on the button/touch panel Integration of all identification systems Printed mark identification & measurement of bag lengths Use of different heat sealing and welding instruments Minimal time required when changing rolls...

Thursday, October 10, 2019

Are you looking for the domestic passenger lifts or small house lifts? According to house structure door-opening requirements, backpack frame style or portal frame style elevator structure for your choice. VVVF drive technology special-purpose micro-computer panel control, smooth and comfortable...

Thursday, October 10, 2019

The essence of the chromatographic process is the process of distributing the equilibrium of the molecules of the substance to be separated between the stationary phase and the mobile phase. The distribution of the different substances between the two phases will be different, which...

Wednesday, October 09, 2019

MD100+ not just as a donut machine, it can match with feeding conveyor to be a yeast raised donut fryer. It provides identical frying conditions for each donut, without an operator needing to stand over the fryer to insert, turn and lift donuts out manually. If the frying time is 90 seconds...

Wednesday, October 09, 2019

Hawach Scientific co., LTD. is a professional technology company integrating analytical chemical product development, manufacturing, sales, and service, Since its establishment, the company has maintained a high speed and steady pace of development, along with scientific and technological...

Wednesday, October 09, 2019

Generally speaking，with the increase of temperature, the viscosity of the mobile phase decreases. The situation will lead to an increase in the transfer rate of the substances. Thus the chromatographic separation effect will be better than before. Although the separation effect has been improved...

Wednesday, October 09, 2019

Solid phase extraction (SPE) is used to reduce sample matrix interference and improve detection sensitivity. The separation selectivity of the solid phase depends on the retention strength of the components that can be retained, so the selection of the solid phase will depend on the...

Tuesday, October 08, 2019

The essence of the chromatographic process is the process of distributing the equilibrium of the molecules of the substance to be separated between the stationary phase and the mobile phase. The distribution of the different substances between the two phases will be different, which...

Tuesday, October 01, 2019

DFG-480 is a robust single phase 220V reliable concrete floor grinder that combines High Diamond Speed with optimum weight for the most effective. With vacuum port, professional for dry grinding, you will be impressive by its productivity. Pro floor grinder. This grinding machine...

Monday, September 30, 2019

Overview WEM3080T is a Din rail, there phase Wi-Fi Energy Meter( also called wifi kwh meter)/Wi-Fi Electricity Monitor. It can be easily installed and fit neatly inside your electricity panel, and provides insight into your energy consumption and analysis through our dedicated Online...

Monday, September 30, 2019

Quantity : 25kg - Price : FOB Qingdao 2.4-2.9$

What is polyanionic cellulose? Description of Oil Drilling Grade CMC & PAC CMC & PAC( polyanionic cellulose pac) can be used as fluid loss reducer or viscosifier in drilling fluids. The function of CMC is to reduce the fluid loss as much as possible through forming low permeability...

Monday, September 30, 2019

HPLC columns are widely used in many fields, whose column efficiency, capacity, permeability characteristics, and service life are very important. After using for a period of time, there will be changes such as column pressure increase, column efficiency decrease, etc. If no measures are taken...

Monday, September 30, 2019

SPE is a kind of sample production technology which is more and more useful in which many problems related to liquid and liquid extraction could be avoided, such as the incomplete separation, non-quantitative recycle, the use of expensive and fragile glass vessels, massive organic...

Sunday, September 29, 2019

Hawach glass solvent filter is made of high-quality borosilicate glass, which can be used to filter various aqueous solutions, organic substances, and corrosive liquids. The glass Solvent filter is available in one liter and two liters and consists of a triangular liquid collection bottle...

Sunday, September 29, 2019

There are many types of chromatographic methods, and different classification methods can be used from different perspectives. Classification from the state of two phases. In the chromatography, the mobile phase may be a gas or a liquid, and thus can be classified into gas chromatography...

Saturday, September 28, 2019

Depending on the packing of the HPLC column. The following column types are available on the market: 1. Silica gel HPLC column: Silica gel is the earliest chromatographic column packing used in liquid chromatography. It has a wide range of applications. However, it can only be used...

Friday, September 27, 2019

The organic membrane is a material having a selective separation function, and when there is a driving force on both sides of the membrane (such as a pressure difference, a concentration difference, a potential difference, etc.), the raw material component selectively permeates the membrane...

Friday, September 27, 2019

Quantity : 1-2000 uni

BRAND NAME: PEACENTURY NAME: Hydraulic Road Blocker CONTROL SYSTEM: Electro- Hydraulic PASSING PRESSURE: ≤120 Tons Container Trucks SYSTEM DYNAMIC POWER: 3.75KW RISE TIME: ≤1-3S（adjustable） FALL TIME: ≤1-3S （adjustable） BUFFER FUNCTION: Buffer Time : 0.2s-0.5s RUNNING NOISE...

Friday, September 27, 2019

Reliable flash columns play a decisive role in a good chromatographic separation method, which ensures complete separation of valuable compounds and specific impurities. Choosing the right flash column is the most critical part of the purification process. There are two aspects should...

Friday, September 27, 2019

Quantity : 25kg - Price : 2.4usd

Description of Oil Drilling Grade CMC & PAC CMC & PAC can be used as fluid loss reducer or viscosifier in drilling fluids. The function of CMC is to reduce the fluid loss as much as possible through forming low permeability, flexible, thin and compact filtration cake on borehole wall...

Friday, September 27, 2019

Non-Polar Interaction, the interaction between a non-polar functional group on a target compound and a non-polar sorbent, which is better reflected in a polar solvent environment, especially in a water environment. Also known as hydrophobic interactions, such as the interaction between...

Thursday, September 26, 2019

- Reversed-Phase Principle - The reversed-phase filler is a kindly of nonpolar filler such as C4, C8, C18 aliphatic chain which is bonded on the silica gel. Nonpolar or hydrophobic compounds are strongly reserved, while polar samples are weakly reserved and go through the flash reversed-phase...

Wednesday, September 25, 2019

Knowledge of QuEChERS Quick, Easy, Cheap, Effective, Rugged, Safe are generally abbreviated to QuEChERS. It is a sample pretreatment method for agricultural product detection. It is used to absorb and remove impurity, and the operational principle is similar to high-performance liquid...

Wednesday, September 25, 2019

Quantity : 1-200ton - Price : 10usd

The silicone electrical junction box with busbar is a new type bus bar insulation cover, it is fabricated with high-quality raw materials in our state-of-the-art manufacturing unit. Silicone junction box with busbar is widely used in 1-35kV high & low voltage electrical distribution room...

Tuesday, September 24, 2019

What is low temperature glycol chillers? There are specifications of low temp process chillers . Model LN-6W LN-10W LN-15W LN-20W LN-30W LN-40W LN-60W LN-90W LN-120W LN-180W Temperature Range -60°C~ -10°C Cooling Capacity At -40°C 12kw 20kw 30kw 40kw 60kw 80kW...

Tuesday, September 24, 2019

Syringe filter is suitable for the filtration of a small number of samples in the laboratory. The adsorbability of syringe filter to samples is weak, which ensures the large number of recovery of small or high-value samples. The outer shell of the filter is made of polypropylene and...

Tuesday, September 24, 2019

Ion Chromatography is one of high-performance liquid chromatography (HPLC) and is a liquid chromatography method for the analysis of anions and cations. In a narrow sense, ion chromatography is a chromatographic method in which a low exchange capacity ion exchange resin is used as...

Tuesday, September 24, 2019

There are many factors to select a product, but on the way back, the only two words lingering in my mind are “parameters” and “Quality assurance”. All that's left is the word “Quality assurance”, which is getting bigger and bigger and more distinct and lingering – or, to put it more simply...

Tuesday, September 24, 2019

Quantity : 1 - Price : 7800-200000usd

Features of Centrifugal Dewatering Machine Processing Capacity: 1-10Tons/hour Application Scope: Cassava or potato starch dewatering Product Introduction: Centrifugal dewatering machine, centrifugal dewater machine, cassava dewatering machine, cassava starch dewatering machine for...

Monday, September 23, 2019

The reason for the QuEChERS matrix effect in the liquid state is generally considered to be due to the non-volatile components in the matrix and the substance to be tested, which competes in the ionization process. The matrix effect in gas phase temperament is generally attributed...

Friday, September 20, 2019

Quantity : 3000 - Price : 1-100usd

LZQ is an OEM factory for all kinds of medical tools, such as Profile Drill P144, Dental Milling Bur/ Zirconia Bur P245, High Precision Fittings P76, Abutment/Transfer P25, ect. We can produce a whole kit of tools for customers' surgical cases. Details of 19C27 A complete line of...

Friday, September 20, 2019

Hawach spherical C18 flash column is a typical column product used for the preparative separation, which has undergone rigorous mass determination before sales. The performance parameters of the flash column are carefully controlled and rigorously tested as well. Basic Information...

Friday, September 20, 2019

Silica matrix HPLC columns are generally compatible, but organic polymer matrix columns may expand or contract in some solvent combinations, which will affect their chromatographic behavior. Wash each solvent system at least 20 volumes. Because some solvent systems are highly viscous...

Friday, September 20, 2019

Solid phase extraction is essentially a liquid chromatographic separation. The main separation mode is the same as that of liquid chromatography. It can be divided into normal phase (the polarity of the adsorbent is greater than the polarity of the eluent), and the reverse phase (the...)

Thursday, September 19, 2019

Duplex 2205 pipe and Super duplex pipe are our strength product. Duplex steel is an austenite-ferrite dual phase stainless steel, it is developed for applications that demand high strength and corrosion resistance. Duplex stainless steel pipe is a cost effective solution for many...

Thursday, September 19, 2019

The determination of 10 plant polyphenols in tobacco samples by solid phase extraction and high-performance liquid chromatography as below: Plant polyphenols are important substances in tobacco. The content of polyphenols in tobacco has an important influence on tobacco quality. Therefore...

Thursday, September 19, 2019

It is a liquid chromatography using a chemically bonded phase as a stationary phase, which is formed by chemically reacting an organic molecule to a surface of a carrier (silica gel) by a covalent bond to form a uniform, firm monolayer thin layer. The separation mechanism is both...

Wednesday, September 18, 2019

Flash column from Hawach Scientific features in high compatibility, safety, and flexibility, most of them can be used for separation of different compounds with good flow distribution. Customized packing and clean package make the super clean environment and better shipping cost,...

Wednesday, September 18, 2019

Hawach SPE Cartridges are made of medical grade PP and forming in one time. Frits are made of UHMW-PE. There is a variety of models to choose, such as Normal Phase Cartridge, Reversed Phase Cartridge, Ion Exchanges Cartridge, Mixed Mode Cartridges and so on. Here, We would like to...

Tuesday, September 17, 2019

Adsorption chromatography uses the difference in adsorption capacity of substances in stationary phase adsorption to achieve separation of the mixture. The chromatographic process of adsorption chromatography is the process in which the mobile phase molecules compete with the material...

Monday, September 16, 2019

Hawach Scientific provides a wide selection of flash columns, they are a quick and easy way to separate complex mixtures of compounds, and often used on a preparative scale to provide better separation and cuts down on the amount of time required to run column. We committed to providing...

Monday, September 16, 2019

Reversed phase chromatography (RP) is the most widely used technique in high-performance liquid chromatography (HPLC) up to now, mainly because it is suitable for the analysis of most of them. Nonpolar substances and many ionizable and ionic compounds. Most stationary phases used...

Monday, September 16, 2019

The extraction is divided into liquid phase extraction (LLE) and solid phase extraction (SPE). SPE technology is a column chromatography separation process. The technology is a combination of liquid-solid extraction and column liquid chromatography. The combination of this technology...

Friday, September 13, 2019

Some samples (such as avocado, peanuts, olive oil, etc.) contain more fat. Due to the limited solubility of fat in acetonitrile, the recovery rate of some fat-soluble pesticides (such as HCB, DDT, etc.) is reduced. How to overcome the low experimental results caused by fat? You can...

Thursday, September 12, 2019

As an important branch of chromatography, high-performance liquid chromatography (HPLC) has become an important application of separation and analysis technology in the fields of chemistry, medicine, industry, agriculture, commodity inspection, and law inspection. Features of high-performance...

Wednesday, September 11, 2019

Flash chromatography is one of the methods in the preparation of liquid chromatography and is usually used for the separation of organic compounds. Flash chromatography has the advantages of ease of operation, low cost, and fast analysis. There are few other techniques for purifying...

Wednesday, September 11, 2019

When storing the column, the column should be filled with acetonitrile or methanol, and the column joint should be tightened to prevent the solvent from evaporating and drying. It is absolutely forbidden to leave the buffer solution in the HPLC columns for an overnight or longer period of time...

Wednesday, September 11, 2019

The structure of the SPE cartridge is mainly divided into four parts: column tube, sieve plate, adsorbent and supporting device. The characteristics of each part are briefly introduced below. Column tube: A carrier for the adsorbent, made from serum grade polypropylene. Commonly used...

Tuesday, September 10, 2019

According to the separation mechanism of substances, Chromatography can be divided into adsorption chromatography, distribution chromatography, ion exchange chromatography and the like. The operation mode of the adsorption thin layer chromatography refers to that the adsorption capacity...

Sunday, September 08, 2019

Quantity : 10 - Price : 50000-110000

1.Drop Tower is a type of free fall tower amusement rides, based around a central structure of tower. And it is very popular among teenagers. Cool decoration, special lights and sound system create its success. 2.The Drop Tower Ride is one of the newest thrill rides in Sinorides....

Saturday, September 07, 2019

There are bubbles in the mobile phase, the pump is turned off, the pressure relief valve is opened, the purge button is turned on, the degas is cleaned, the bubbles are continuously ejected from the HPLC column, and the mobile phase enters the mobile phase. No matter how many times...

Friday, September 06, 2019

Quantity : 1000 pcs - Price : USD80-USD230

Brushless DC electric motor (BLDC motors, BL motors) also known as electronically commutated motors (ECMs, EC motors), or synchronous DC motors, are sensored brushless motor powered by DC electricity via an inverter or switching power supply which produces an AC electric current to...

Tuesday, September 03, 2019

Chemical properties of the chromatographic column could affect the performance of the C18 HPLC column. Performance factors of C18 HPLC columns: bonding type Single tooth bonding can improve the mass transfer rate and accelerate column balance. Double tooth bonding can increase the...

Tuesday, September 03, 2019

The basic principle of SPE cartridges is that the liquid sample is made to pass through the adsorbent to retain the tested substance, and then the impurities are washed away with appropriate strength solvent, and then the tested substance is eluted with a small amount of good solvent...

Tuesday, August 27, 2019

Quantity : 1PCS - Price : 28-38USD

Overview WEM3080T is a Din rail, 3 phase energy monitoring devices. It can be easily installed and fit neatly inside your electricity panel, and provides insight into your energy consumption and analysis through our dedicated Online Energy Consumption Monitoring System (https://www...)

Thursday, August 22, 2019

QuEChERS is an extraction method for pesticides in fruits and vegetables. It is also a cleanup method we use to remove sugars, lipids, organic acids, proteins, pigments, and excess water. After the publication of the original QuEChERS method in 2003, QuEChERS has been practiced all...

Sunday, August 18, 2019

Stimulating the coil makes a magnetic induction to the tested material. The induced electromotive force received by the testing coil is related to the shape and size of the material hysteresis loop. When the low-frequency sinusoidal wave excitation voltage is magnetically induced...

Saturday, August 17, 2019

Quantity : 500kg

The electrical junction box with busbar is a new type bus bar insulation cover, it is fabricated with high-quality raw materials in our state-of-the-art manufacturing unit. Silicone rubber busbar junction box is widely used in 1-35kV high & low voltage electrical distribution room...

Friday, August 16, 2019

NH2 HPLC columns refer to the chromatographic columns that use silica gel as matrix carrier to bond amino groups. They are usually used for the analysis of carbohydrate compounds, and the mobile phase is usually methanol, acetonitrile and buffers salt solution. - The cleaning method...

Friday, August 16, 2019

- Category - In terms of the filler type, SPE column can be divided into four applications of silicone bonding matrix, polymer matrix, absorption matrix and specialized columns. Besides, the silicone bonding has four sorts—antiphase(C18 sealing end/uncapped/hydrophile, C8), positive...

Thursday, August 15, 2019

Glass solvent filters are used for solvent particle removal and water phase mobile phase filtration. All components of glass solvent filters in contact with solvents are made of chemically inert glass or PTFE materials, which are used in combination with regenerated cellulose (RC)...

Thursday, August 15, 2019

The similarities FLASH and SPE are all column chromatography separation technology. FLASH is a fast separation mode for preparative chromatography, using optimized pre-packed low and medium pressure columns for chromatographic separation. The separation mechanism, stationary phase...