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Thin layer Chromatography Silica Gel

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Characteristics:
Thin-layer chromatography silica gel is a white, high purity, powder reagent silica gel, its chemical composition is SiO2. It is a strong polar solid adsorbent of hydrogen bonds type, non-toxic, tasteless, insoluble in water and organic solvents. It does not react with any other chemical materials except for hydrofluoric acid and hot alkali. Thin-layer chromatography silica gel is a kind of porous material with specific distribution of pore size, surface hydroxyl, and size. Due to the different adsorption and desorption time of the different components in mixed system in its hole, separation or purification achieved.
Think-layer chromatography silica gel is mainly used for coating thin layer chromatography silica gel plate, also can be used in qualitative or quantitative analysis of many types of organic substances. Thin layer chromatography silica gel H can be directly used as a dry cleaner carrier. Thin layer chromatography silica gel have been widely applied in teaching, clinical, research, production in pharmaceutical industry, plant chemistry, food chemistry, bio-engineering, clinical chemistry, chemistry and chemical engineering, material chemistry, law review analysis, environmental chemistry, life science.

Size:
1.   size(um)
10-40、10-20、20-40、5-15、5-10、3-8、0-10.
2.   Performance
Normal thin-layer chromatography silica gel, efficient thin-layer chromatography silica gel type
3.   Type
H    HF254   G    GF254
H-----Not add any chemical reagents.
HF254-----Add a certain amount of phosphor
G-----Add 12-14% semihydrate gypsum
GF254----Add 12-14% semihydrate gypsum and a certain amount of phosphor

 

               Specification

Item

H

HF254

G

GF254

Super class

First class

Super class

First class

Super class

First class

Super class

First class

Calcined gypsum(CaSO4H2O) %

---

---

---

---

12.0-14.0

12.0-14.0

12.0-14.0

12.0-14.0

Chloride (by CL) %  ≤

0.02

0.02

0.02

0.02

0.02

0.02

0.02

0.02

Iron (Fe)%  ≤

0.015

0.020

0.015

0.020

0.015

0.020

0.015

0.020

PH(100g/l aqueous suspension)

6.7-7.0

6.0-7.0

6.7-7.0

6.0-7.0

6.7-7.0

6.0-7.0

6.7-7.0

6.0-7.0

Siftremainder(w=38μm) %  ≤

4.0

8.0

4.0

8.0

4.0

8.0

4.0

8.0

Activity

Three colors separated



 

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