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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...