Potassium dichromate
GOST 2652-78
Appearance:
Noncaking crystalls of orange-red colour.
Empirical formula:
K2Cr2O7.
- Used in:
- organic synthesis;
- chemical industry for producing non-organic pigments, matchmaking, dry cell battery, tannery and fur industry for leather and furtanning. Due to strong oxidizing properties it is widely used in chemistry, photography, pyrotechnics;
- in a number of other industries;
Specification: | High grade | First grade |
Total mass fraction of Potassium Dichromate (K2Cr2O7), min | 99,7% | 99,7% |
Total mass fraction of Sulphates in conversion to SO4 , max | 0,02% | 0,05% |
Sulphates in conversion to SO4 , max | 0,1% | 0,2% |
Total mass fraction of Chlorides in conversion to Cl, max | 0,07% | 0,1% |
Total mass fraction of water insoluble residue, max | 0,03% | 0,1% |
Moisture, max | 0,03% | 0,05% |
- Packing:
- UN-approved polypropylene bags of 25 kg net each, stacked on wooden pallets, shrink wrapped;
- UN-approved polypropylene soft containers of Big-Baa type of 1000 kq net each, stacked on wooden pallets, shrink wrapped;
- UN-approved welded and folded steel barrels (drums) of 500 kg (210 I) net each, stacked on wooden pallets, shrink wrapped