METHODS - 9103 ads

Tuesday, August 13, 2019

Pipettes are widely used in the laboratory. Proper operation and use of pipettes can improve work efficiency. What are the six common operational misunderstandings of pipettes? Pipettes are widely used in laboratories. The correct operation and the use of pipettes can improve work efficiency...

Tuesday, August 13, 2019

In the labs, experimenters always take samples with fiberglass extraction thimbles. And weighing the extraction thimbles is quite important for the results of the experiments. Does the cooling time have obvious influences when weighing the extraction thimbles that are taken out of the ovens...

Monday, August 12, 2019

The rapid chromatographic method is a technology widely used in the separation and purification of active target compounds, such as organic compounds, natural products, and biological macromolecules. Rapid chromatographic method has the advantages of easy-operation, low-price, and fast-analysis...

Sunday, August 11, 2019

From "removing and dismantling" to "construction", what can construction waste do when it is crushed? In recent years, with the acceleration of urbanization, projects such as road construction, building expansion, old city reconstruction, and infrastructure projects have been increasingly...

Saturday, August 10, 2019

Quantity : Proofing b - Price : 500-1500CNY

Custom flex pcb china from PCBSKY, pcb manufacturer in china shenzhen, 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...

Saturday, August 10, 2019

Quantity : 1000000 / - Price : RMB0.055-0.07/pc

Model: SYPD-B gray and white paper straws Colour: Grey with white polka dot Size: Length: 19.7cm, Inner Dia: 5.5mm, Outer Dia: 6mm(1/4 inch) Weight: 1.2g per pcs (±0.02) Packing: Normal in single colour: 500pcs/ OPP bag, 5000pcs/Carton Mix maximum 20 colors per case. We can customized...

Saturday, August 10, 2019

Quantity : 1000000 / - Price : RMB0.055-0.07/pc

Patterned drinking straws Type: Event & Party Supplies Feature: Disposabel, Eco-Friendly Printing: Health water ink, Size: (Length: 19.7cm, Inner Dia: 5.5mm, Outer Dia: 6mm(1/4 inch) We can custom size as per customer's request Weight: 1.2g per pcs ( ±0.02) Colour: Metallic...)

Saturday, August 10, 2019

Quantity : 1000000 / - Price : RMB0.055-0.07/pc

Model: SYPD-B gold polka dot straws Colour: Black with gold polka dot Size: Length: 19.7cm, Inner Dia: 5.5mm, Outer Dia: 6mm(1/4 inch) Weight: 1.2g per pcs (±0.02) Packing: Normal in single colour: 500pcs/ OPP bag, 5000pcs/Carton Mix maximum 20 colors per case. We can customized...

Saturday, August 10, 2019

Quantity : 1000000 / - Price : RMB0.055-0.07/pc

Type: Event & Party Supplies Feature: Disposabel, Biodegradable, Eco-Friendly water-proof Material: 100% Food Grade Biodegradable Paper Printing: Eco-friendly water ink, flexo print Size: (Length: 19.7cm, Inner Dia: 5.5mm, Outer Dia: 6mm(1/4 inch) We can custom size as per customer's...)

Saturday, August 10, 2019

Quantity : 1000000 / - Price : RMB0.055-0.07/pc

Model: SYST-B Colour: Brown and black stripe Size: Length: 19.7cm, Inner Dia: 5.5mm, Outer Dia: 6mm(1/4 inch) Weight: 1.2g per pcs (±0.02) Packing: Normal in single colour: 500pcs/ OPP bag, 5000pcs/Carton Mix maximum 20 colors per case. We can customized packing as below: Paper bag/...

Friday, August 09, 2019

Price : 1000-6000USD

6100 lumens, 1920*1200 resolution, 0.79: 1 throw ratio laser projector DU610ST has 6100 lumens with 1920*1200 resolution. The throw ratio of DU610ST is 0.79: 1. DU610ST has the function of built-in edge blending function with the 17*17 geometric correction function. It is mainly used...

Friday, August 09, 2019

First, we need to determine if there is a leak in the pipette. 1. Detection method: 1) Visual inspection: first pipette the liquid using the pipette to be tested, then let it stand vertically for 15 seconds to see if there is a slow flow of droplets. If there is a droplet flowing out slowly...

Friday, August 09, 2019

Reversed-phase chromatography (RPC) contains any chromatographic method using a non-polar stationary phase. The word “reverse” has a historical background. In the 1970s, most liquid chromatography was performed on unmodified silica or alumina. Their surface chemistry is hydrophilic...

Thursday, August 08, 2019

Chromatography is a separation and analysis method and the separation is the core. Therefore, HPLC columns are the heart of the chromatographic system. The requirements for the column are high efficiency, good selectivity and fast analysis speed. Generally, the column length of about...

Wednesday, August 07, 2019

Pipe ttes are often used to remove a small amount of liquid in the laboratory. Micropipette first appeared in 1956, invented by Schnitger who is a scientist of the Institute of physiology and chemistry, Germany. Pipettes of different specifications are equipped with different sizes...

Wednesday, August 07, 2019

Food safety testing is a major issue related to people's livelihood. In recent years, the QuEChERS method has been widely used in the pretreatment of food safety detection samples. In addition, the method has been applied to trace analysis. QuEChERS Application The international application...

Wednesday, August 07, 2019

The thimble is utilized in extraction, so the dissolution rate of impurities is a comparatively deductive target. For the deficient data of cellulose extraction thimbles, the mental content in glass fiber ones has to be tested, and respective results of different sizes are listed...

Tuesday, August 06, 2019

We are the one of the largest potential suppliers of Used Cooking oil with the prices of per ton USD: 300 CIF to your nearest port. The Specification of our UCO is as detailed below. - Free fatty acids: 1.75 % - M.I.U (Moisture and Impurities): 0.02 % - Saponification value: 186 - Iodine value...

Tuesday, August 06, 2019

In recent years, the application of HPLC in inorganic analysis has developed rapidly, and the use of flash columns has been more and more widely because of a method that can rapidly determine heavy metal elements in environmental water samples. Matters needing the attention of flash columns 1...

Monday, August 05, 2019

Quantity : 500 tons

316L Stainless Steel Pipe Material 304: 0cr18ni9, 0cr17ni8 201: 1cr17mn6ni5n,1cr13mn9ni1n 316: 0cr17ni12 or as customer's request Size(round pipe) 9.5, 12.7, 15.9, 17, 18, 19.1, 20, 21, 22.2, 23, 25.4, 28, 318, 35, 60, 63.5, 73, 76.2, 88.9, 10 1.6, 114.3, 127, 133, 159, 168...

Monday, August 05, 2019

Cold Drawn Steel Bar SAE4140 1.Product name: Cold drawn 4140 steel round bar for mechanical using 2.Outside Diameter: From 1mm to 400mm 3. Material Grade : 4140 4.Main Standards: ASTMA276,ASTMA312,ASTMA213,GB/T14975-200 2,GB/T14976- 2002,GB/T13296-91,JIS 5.Processing methods...

Monday, August 05, 2019

Quantity : 1000 tons - Price : 720 usd/ton

Cold drawn steel bar SAE1020 1.Product name: Cold drawn SAE1020 steel round bar. 2.Outside Diameter: From 1mm to 400mm 3. Material Grade : SAE1020 4.Main Standards: ASTMA276,ASTMA312,ASTMA213,GB/T14975-200 2,GB/T14976- 2002,GB/T13296-91,JIS 5.Processing methods: Cold Drawn...

Monday, August 05, 2019

QuEChERS method has unique advantages in pesticide residue analysis. Due to the irrational use of pesticides and inadequate supervision of pesticide use, people may suffer from acute or chronic pesticide poisoning after eating pesticide-contaminated food, and even threaten human health...

Saturday, August 03, 2019

Quantity : 10000PCS/m - Price : 25 USD above

Overview Iammeter is a dedicated remote energy monitoring system developed by us, to which you can connect your own Modbus energy meter and then start to monitor the electricity usage for your household electricity system, or commercial electricity system, or industrial electricity...

Saturday, August 03, 2019

An air filter housing is a kind of air filtration device, as one of pneumatic three pieces, which are generally used to prevent dust for workshops, plants, operating rooms, laboratories or electronic mechanical communication equipment. - Filtration precision - The key to affect the...

Thursday, August 01, 2019

The flat sheet ceramic membrane is a new type of high temperature plate porous ceramic membrane, which is prepared by high temperature sintering process using inorganic materials such as alumina. Compared with the organic film, ceramic flat membrane has the advantages of good chemical stability...

Thursday, August 01, 2019

Ceramic membranes (Porous Ceramic Membrane & tubular ceramic membrane) are available for microfiltration, ultrafiltration and nanofiltration as single-channel or multiple-channel elements with channel diameters between 2 and 16mm. Their main characteristics of porous tubular ceramic...

Thursday, August 01, 2019

QuEChERs is a sample treatment and purification technology for the detection of multiple pesticide residues in high-water-content food. Because it simplifies the previously complex extraction procedures and expands the scope of the extracted pesticide residues, QuEChERs becomes an...

Wednesday, July 31, 2019

CVD diamond (Chemical Vapor Deposition diamond). The mixture of carbon-containing gas and oxygen is excited and decomposed at a high temperature and a pressure lower than the standard atmospheric pressure to form an active diamond carbon atom, and the deposit is alternately grown...

Wednesday, July 31, 2019

Sample vials play an important role in the experiments. We'd better not reuse them. If it has to be reused, the cleaning method is very important. It is noteworthy that vial pads must be replaced with new ones. Otherwise, the quantitative results will be affected. And here we will...