Customization: | Available |
---|---|
CAS No.: | 16731-55-8 |
Formula: | K2s2o5 |
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Test item | Unit | Specification |
K2S2O5 | g/100g | 98% min |
SO2 | g/100g | 56.0 min |
K2S2O3 | g/100g | 0.1 max |
Na | g/100g | 2 max |
Cl | g/kg | 0.5 max |
pH-value(10%solution) | - | 3.8-4.8 |
heavy metal(measured by Pb) | mg/kg | 10 max |
As | mg/kg | 1 max |
Cu | mg/kg | 1 max |
Fe | mg/kg | 5 max |
Hg | mg/kg | 0.1 max |
Pb | mg/kg | 1 max |
Se | mg/kg | 1 max |
Zn | mg/kg | 1 max |
K2SO3 +K2SO4 | mg/kg | excess material |