Micron Spherical Silica Gel Powder for Cosmetics Additive and Column Chromatography
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Product Detail
Adsorbent_desiccant_silica gel_ Thin layer Chromatography silica gel
Detail

Silica Gel for Thin-layer Chromatography:





Properties:


Thin layer chromatography silica gel is white, high-purity, powdered reagent silica gel, and its chemical composition is mSiO2.nH2O. It is a hydrogen bonded strong polar solid adsorbent, which does not react with any other substances except hydrofluoric acid and hot strong base; non toxic, odorless, insoluble in water and organic solvents.


Thin layer chromatography silica gel is a porous material with specific pore size distribution, surface hydroxyl distribution and particle size distribution; due to the different adsorption and desorption times of different substances in the mixture within its pores, this product is often used to separate and purify different substances.


Yiming thin layer chromatography silica gel has narrow particle size distribution, fast separation speed, high sensitivity and resolution.



Application:


Thin layer chromatography silica gel is mainly used to coat thin layer chromatography silica gel plate, and can also be used for qualitative or quantitative analysis of various types of organic substances. Thin layer chromatography silica gel can also be directly used as dry cleaning agent carrier. It has been widely used in pharmaceutical industry, phytochemistry, food chemistry, bioengineering, clinical chemistry, chemical engineering, material chemistry, forensic analysis, environmental chemistry, life science teaching, clinical research, production and other aspects.



Technical Specifications:


Item

H

HF

G

GF

Typical values

Superior

class

First

class

Superior

class

First

class

Superior

class

First

class

Superior

class

First

class

H

G

Calcined gvpsum

(CaSO4·1/2 H2O)   %

/

/

/

/

12.0-14.0

12.0-14.0

12.0-14.0

12.0-14.0

/

12.9

Chloride (by Cl)   % ≤

0.02

0.015

0.017

Iron (Fe) %   ≤

0.015

0.020

0.015

0.020

0.015

0.020

0.015

0.020

0.003

0.003

PH (100g/L aqueous suspension)

6.0-7.0

6.3

6.4

Sift remainder (W=38um) % ≤

4.0

8.0

4.0

8.0

4.0

8.0

4.0

8.0

2.3

2.4

Activity

three colors separated

Note: three colors in activity refers to Bl-methyl yellow, sultan red and indophenol blue.


Particle size (µm):10-40、10-20、20-40、5-15、5-10、3-8、0-10.


Packaging: Plastic bottles of 500g (net weight).