Product Description
Antimony Tri Sulphide Specifications:
- CAS Number :1345-04-6
- Molecular Formula : Sb2S3
- Appearance : Black lumps or crystalline powder free from visible impurities and foreign matter.
- Volatile matter (at 100 to 1050C for 2 hours) percent : Max 0.03
- pH of aqueous extract : 5.5to 7.5
Sulphur
- (a) Total percent by mass Min22.0
- (b) Free percent by mass Max0.2
Antimony
- (a) Total percent by mass Min70.0
- (b) Free percent by mass Max4.0
Antimony Oxides calculated as Sb2O3 percent by mass Max 20.0
Other metals calculated as Sulphide by mass Max 1.5
Matter insoluble in Aqua Regia Percent by mass Max 0.25