Keisulguhr G is a naturally occurring, soft, siliceous sedimentary rock that is easily crumbled into a fine white to off-white powder.
| Keiselguhr, Purified | |
| Synonyms | Infusorial earth |
| Grade | Microscopy |
| Categories | Essential Chemicals, Research essentials chemicals |
| Appearance (Form) | Powder |
| Appearance (Colour) | White |
| HSN Code | 380290.19 |
| Keiselguhr G, for TLC | |
| Synonyms | Diatomaceous earth, calcined |
| Grade | Thin Layer Chromatography |
| Categories | Essential chemicals, Research essentials chemicals |
| Appearance (Form) | Powder |
| Appearance (Colour) | White |
| pH (10% solution in water) | 5 - 9 |
| Carbonate (as CO2) | Passes test |
| Organic impurities | Passes test |
| Loss on ignition (at 600°C) | Max 0.5% |
| HSN Code | 380290.19 |