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710077 Varios / Descuento

The Principle and Cleaning Method of NH2 HPLC Columns

Friday 16 August 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...

Hawach Scientific Co.,Ltd.

710077 - Xi'an
+86 29 89284429
+15 1 02 91 81 33

China

710077 Varios / Descuento

Introduction of SPE Column From Hawach

Friday 16 August 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...

Hawach Scientific Co.,Ltd.

710077 - Xi'an
+86 29 89284429
+15 1 02 91 81 33

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710077 Varios / Descuento

Two Cases When Detecting The Degree Of Pipette

Thursday 15 August 2019

We need to check if the temperature of the pipette </ a>is different from the temperature difference between the pipette and the tip, which affects the accuracy of the pipette. In general, when the temperature of the removed liquid does not match the temperature of the tip and the pipette...

Hawach Scientific Co.,Ltd.

710077 - Xi'an
+86 29 89284429
+15 1 02 91 81 33

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710077 Varios / Descuento

Sterilization Method And Filtration Speed Of Glass Solvent Filters

Thursday 15 August 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)...

Hawach Scientific Co.,Ltd.

710077 - Xi'an
+86 29 89284429
+15 1 02 91 81 33

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China

710077 Varios / Descuento

QuEChERS Summary And Method

Thursday 15 August 2019

Review the article that I had written for product introductions, it seems that the content which making fun of products basically does not have, a person with the label of “warm person heart” is wearing very tired. The things about making fun are so cool to be said completely by naked...

Hawach Scientific Co.,Ltd.

710077 - Xi'an
+86 29 89284429
+15 1 02 91 81 33

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China

710077 Varios / Descuento

Affect The Extraction Thimble Weighing The Value

Thursday 15 August 2019

In the detection of air pollution, taking samples with glass fiber extraction thimble is a common method. And here we will focus on one reason having an influence on weighing the extraction thimbles, which is the air humidity. As we all know, the environment when analyzing is limited...

Hawach Scientific Co.,Ltd.

710077 - Xi'an
+86 29 89284429
+15 1 02 91 81 33

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China

710077 Varios / Descuento

Application of Bottle-Top Dispenser

Thursday 15 August 2019

Bottle-top dispenser, also known as bottle-top distributor and bottle-top pipette, is an instrument for accurately measuring liquid chemicals. It is generally divided into automatic bottle-top separator, continuous bottle-top separator, glass separator, bottle-top separator, bottle-top...

Hawach Scientific Co.,Ltd.

710077 - Xi'an
+86 29 89284429
+15 1 02 91 81 33

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China

710077 Varios / Descuento

A Method of Quickly Making Quantitative Filter Papers

Thursday 15 August 2019

Background Technique The wood pulp with a characteristic of single fiber, has been serving as the only raw material of the quantitative filter paper. To improve its filtering accuracy, the pore size has to be reduced, which can increase the filtering resistance and shorten the practical...

Hawach Scientific Co.,Ltd.

710077 - Xi'an
+86 29 89284429
+15 1 02 91 81 33

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China

710077 Varios / Descuento

Flash Column Versus SPE Column

Thursday 15 August 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...

Hawach Scientific Co.,Ltd.

710077 - Xi'an
+86 29 89284429
+15 1 02 91 81 33

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China

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