[National Standard]:HG/T2826-2008
|
Name of Index |
Specification |
|
|
High-class |
First-class |
|
|
Main Content (Na2S2O5)% ≥ |
96.5 |
95.0 |
|
Fe (Fe)% ≤ |
0.05 |
0.05 |
|
Heavy metal (Pb)% ≤ |
0.005 |
0.010 |
|
As(As)% ≤ |
0.0001 |
— |
[Application]:The pharmaceutical industry is used to produce chloroform, phenylsulfone and benzaldehyde.The rubber industry is used as a coagulant.The printing and dyeing industry is used as the dechlorination agent for cotton bleaching, and cotton as the auxiliary agent;Leather processing is used for leather processing, which can make leather soft, plump and tough. It has the properties of waterproof, anti-folding and wear-resisting.Chemical industry is used to produce hydroxyl vanillin, hydroxylamine hydrochloride, etc.Photosensitive industry used as a developer;The food industry is used for bleaching agents, preservatives, loose agents, antioxidants, colorants and preservatives.
[Package]:25Kgs/Plastic woven bags;1000kgs/Bag