| Vitamin K3 | Leather auxiliaries | Chromium salts | Cement additives |
As a main form of Vitamin K, it can effectively change into K2 in the animal body, and plays a role | We now produce three series of leather chemicals: tanning agent series, fatliquor series and auxi | Chromium salts mainly includes sodium dichromate, potassium dichromate, chromic anhydride and Chrom | HP-300 Concrete pumping agent is a Naphthalene-grouping & high efficient water reducing agent, |
Industrial potassium dichromate
Molecular formula:K2Cr2O7
Molecular weight:294.18
1. Properties:orange red triclinic tabular crystal. . Melting point, 398°C, decompound at 500°C.
2. Index of uniformity
| Index Item | Index (HG/T2324-2005) | ||
| Top grade | First grade | Qualified product | |
| K2Cr2O7,% ≥ | 99.7 | 99.5 | 99.0 |
| Chloride (as CL),% ≤ | 0.05 | 0.05 | 0.08 |
| Water insolubles, ≤ | 0.02 | 0.02 | 0.05 |
| Sulfate(as SO4),% ≤ | 0.02 | 0.05 | 0.05 |
| Moisture,% ≤ | 0.03 | 0.05 | 0.05 |
| Na,% ≤ | 0.5 | 1.0 | 1.5 |
3. Uses:Mainly used for making Chromium trioxide, zinc chrome yellow antirust, chrome green, match, welding electrode, also can be used as oxidant, colorant of glass, ceramic, enamel, and used to produce chemical reagents, etc.
4.Packing:High strength composite bag, 50KG.