Position:Ammonium thiosulfate
Chemical Name：Ammonium thiosulfate
Molecular formula：（HN4）2S2O2
Molecular weight： 148.21
Properties and use：colorless transparent liquid, avoid of light and sealed. In the color flushing process, it can be used as fixing agent with rapid speed and great effect.
Package：250kgplastic bucket
| Item | Index |
|---|---|
| Main content：（NH4）2S2O3% | 56-60 |
| Alkalinity：（NH4OH）% | 0.3-1.5 |
| Sulfides：（S--）：% | ≤0.0002 |
| Proportion：（for 15/15℃） | 1.310-1.335 |
| Sulfites ：% | ≤0.7 |
| Burning residues：% | ≤0.1 |
| Impurities：% | ≤0.2 |
| Heavy metals：（counted with Pb）% | ≤0.001 |
| Iron(Fe)% | ≤0.001 |