Silica gel for thin-layer chromatography
This is a white, high-purity reagent silica
gel with uniform size. It is extensively used for analysis
and separation of all kinds of natural and synthetic substances.
It is widely used in qualitative and quantitative analysis
of the main ingredients or impurities in medicines, pesticides,
herbal medicine, organic chemicals, petrochemical products,
cereals and foods, as well as for the purification and preparation
of some substances. Thin-layer Type H silica gel may also
be used as the carrier of dry cleaning agents.
Technical Data:
| ITEM |
H |
HF254 |
| Calcined
gypsum
(CaSO4.1/2H2O),% |
12.0-14.0 |
12.0-14.0 |
| Chloride
(by Cl),% ¡Ü |
0.02 |
0.02 |
| Iron(Fe),%
¡Ü |
0.020 |
0.020 |
| pH
(100g/L aqueous suspension) |
6.0-7.0 |
6.0-7.0 |
| Sift
remainder
(W=38¦Ìm),% ¡Ü |
8.0 |
8.0 |
| Activity
(1) |
Three
colors separated |
Packing: 500 g net per
plastic bottle.
Note:
The "three colors" shown in the table refer to BI-methyl
yellow, sultan red and indigo.
|
