English name:Good price of Ammonium thiosulfate Global chemicals supplier Lead-time:Within 15-20 days Best quality and price
Quality standard:
|
Index name |
Liquid |
Solid |
|
Assay |
56~60% |
≥98% |
|
Appearance |
colorless transparent Liquid |
white crystal |
|
Ammonium sulfite |
≤1.0% |
≤1.0% |
|
Alkalinity |
0.3~1.5% |
≤0.4% |
|
Insoluble matter ( precipitation of Ca and Mg) |
≤0.2% |
--- |
|
Heavy metals(as Pb) |
≤0.001% |
≤0.002% |
|
Fe |
≤0.00025% |
≤0.001% |
|
Sulfide(as s) |
≤0.0002% |
≤0.0002% |
|
Ignition residual |
≤0.1% |
≤0. 2% |
|
Specific gravity |
1.310~1.335 |
---- |
Properties:
corless transparent liquid or white crystal.
Relative density of crystal: 1.679,easily soluble in water,insoluble in alcohol, ether,slightly soluble in acetone.
Packing:
Liquid 250kg plastic drum. Solid 25KG plastic woven bag.
Uses:
Used as fixer for takingPhotographic s,key component of silvering electrobath, shielding effect agent, casting protectant of Al-Mg alloy, bactericide and analytical reagent. |