Customization: | Available |
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CAS No.: | 7681-57-4 |
Formula: | Na2s2o5 |
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ITEM | SPECIFICATION | TEST RESULT |
Na2S2O5 content : | 96.0%min | 97.1% |
Heavy metals (as Pb) : | 0.001%max | 0.0003% |
Iron (Fe) : | 0.005%max | 0.0032 |
Water insoluble : | 0.05%max | 0.01% |
Sodium Chloride (NaCl): | 0.05% max | 0.05% |
Arsenic (As) : | 0.0002%max | 0.0001% |
PH Value : | 4.2 -4.8 | 4.5 |