PROPERTY:MONOCLINIC CRYSTAL, MELTING POINT 40-45°c,RELATIVE DENSITY:1.729(17°c)
PACKING: 25KG,PLASTIC WOVEN BAG, OR FOLLOWING YOUR DEMAND
APPLICATION:USED IN FIXERS,PLATING, LEATHER,REDUCTANT, DECHLORINATING AGENT, SULFUR DYEING AGENT, AS A BLUSH PREVENTIVE AGENT, AND AS A DISINFECTANT AND DECOLOR AGENT.
Appearance |
colorless transparent crystal |
Assay |
≥99.00% |
Water Insoluble matter |
≤0.2% |
Sulfide |
≤0.0004% |
Alkalinity (as NaOH) |
≤0.02% |
Acidity (as H2SO4) |
≤0.01% |
Iron (as Fe) |
≤0.003% |
Heavy metals (as Pb) |
≤0.001% |
PH |
6.5~9.5 |
Water solution reaction |
in accordance with the test |
