Property
It is silicon gel agent for thin-layer analysis which has certain granularity and high purity with white color.
Purpose
Fit for analysis and separation of natural components, widely used for qualitative and quantitative analysis and purification of main components or low impurity of medicine, pesticide, Chinese traditional medicine, organic chemicals, petrochemical products, foodstuff and food. The thin layer H can also be used as drier carrier.
Technical Index
Item
H
HF254
Typical Values
Excellent Product
First-grade Product
Excellent Product
First-grade Product
H
Forging Gesso
（CaSO4． 1/2H2O） %
--
--
--
--
----
Chlorid（Cl）
%≤
0.02
0.02
0.02
0.02
0.015
Fe(Fe),%≤
0.015
0.020
0.015
0.020
0.003
pH(100g/L Suspend Liquid)
6.0-7.0
6.0-7.0
6.0-7.0
6.0-7.0
6.3
38umLeft Substances %≤
4.0
8.0
4.0
8.0
2.3
Active Degree1)
Three-colors
Three-colors
Three-colors
Item
G
GF254
Typical Values
Excellent Product
First-grade Product
Excellent Product
First-grade Product
G
Forging Gesso
（CaSO4． 1/2H2O）,%
12.0—14.0
12.0—14.0
12.0—14.0
12.0—14.0
12.9
Chlorid（Cl）
%≤
0.02
0.02
0.02
0.02
0.017
Fe(Fe),%≤
0.015
0.020
0.015
0.020
0.003
pH(100g/L Suspend Liquid)
6.0-7.0
6.0-7.0
6.0-7.0
6.0-7.0
6.4
38umLeft Substances %≤
4.0
8.0
4.0
8.0
2.4
Active Degree1)
Three-colors
Three-colors
Three-colors
Remark: three colors in the table means dimethyl yellow, sudan red and indigo blue.
Packing
20bottles/ carton, net weight/ bottle is 500g.
