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.   |