Molecular Formula: Na2S2O5
Molecule Weight: 69.0
CAS NO.: 7632-00-0
Appearance:White or light yellow Fine Crystal
Grade: Industrial grade, food grade
Package: 25kgs
Molecular Formula: Na2S2O5
Molecule Weight: 69.0
CAS NO.: 7632-00-0
Appearance:White or light yellow Fine Crystal
Grade: Industrial grade, food grade
Package: 25kgs
Item | Quality Index | |
Standard | Result | |
Na2S2O5(calculated by dry base) % | ≥96.5 | 97.2 |
Fe(calculated by dry base) % | ≤0.003 | 0.002 |
Water insoluble matter(calculated by dry base) % | ≤0.05 | 0.04 |
Heavy metal(calculated by dry base) % | ≤0.005 | 0.0004 |
ARSENIC(calculated by dry base) % | ≤0.0001 | 0.0001 |
PH (5% water soluble) | 4.72 | |
Package and Trade mark | By woven plastic bag out, and white plastic bag inner | |
Result | qualified |