ammonium thiosulfate solution

Used as fixer for takingPhotographics key component of silvering electrobath shielding effect agent casting protectant

1>. Colorless single crystal is inclined crystallization.2>. Easy deliquescence. Soluble in water, slightly soluble in acetone, insoluble in alcohol, ether.3>. Aqueous long together with sulfur exhalation. Hot to 150 °C decomposition form and   ammonium sulfate, sulfur, ammonia, hydrogen sulfide and water

  1. Chemical name:Ammonium Thiosulphate 2. Structural formula:3. Molecular formula:(NH4)2S2O34. Molecular weight:148.205. Properties:. Colorless transparent liquid or white crystal. Relative density of crystal: 1.679,easily soluble in water,insoluble in alcohol, ether,slightly soluble in acetone.

4.specification

 

 

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	----

 

5.Uses

Used as fixer for taking photographics,key component of silvering electrobath, shielding effect agent, casting protectant of Al-Mg alloy, bactericide and analytical reagent.

 

6.Packing

250kg plastic drum, flexitank, IBC-tank or following your demand.

 

 

ammonium thiosulfate solution