Products Industrial grade
Sodium Metabisulfite (Industrial grade)：
Molecular formula: Na2S2O5；
The national standard: HG/T 2826-1997；
Appearance: white or slightly yellow crystalline powder；
Packing: In 25kg net plastic lined plastic woven bags, or 1100kg net big bags；
Validity: 6 months from the date of production；
Specifications:
|
Project |
Indicators |
|
Content(Na2S2O5), ω /% |
≥ 96.0 |
|
Iron(Fe), ω /% |
≤ 0.005 |
|
Insoluble matter in water |
pass |
|
Heavy metal(Pb), ω /% |
≤ 0.05 |
|
Arsenic(As), ω /% |
≤ 0.0001 |
