详情
Trivial name: chromium powder, alternate name: basic chromium
sulfate .
Chemical formula: Cr(OH)nSO0.5(*-n), molecular weight: **5.*7,
basicity: *3% .
Complex mainly with hydrated basic chromium sulphate and
sodium sulfate, Green powder, highly soluble in water.
Application
Used in leather and fur's tanning and retanning.
Packaging
In moisture-proof paper-plastic composite bags, net weight for
each: *5kg.
Notice
1. The product is non-hazard goods, but should be stored in a
well-ventilated dry cool storehouse.
2. Avoid contacting with eyes and inhaling the
dust.
3. Please wear protective gloves, safety glasses and dust mask
to avoid dust fog.
4. In case of leakage, neutralize with calcium oxide
immediately.
[quality standard]: QB/T********8
Item
standard
Cr2O3 *5±1%
Basicity
*3±2%
Water insoluble matter 0.5%max
PH
2.**4.0
Cr6+
3ppm
