CAS No.: | 7757-83-7, 7757-83-7 |
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Certification: | CIQ, ISO, SGS |
Purity: | 90%~99% |
Type: | Sodium Sulphite |
Appearance: | Powder |
Grade Standard: | Industrial Grade |
Samples: |
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Customization: |
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Item | Quality Index | |
Industry Grade | Food Grade | |
Purity ( As Na2SO3) | 96.0% min | 98.0% min |
Sodium sulphate ( SO4) | 2.0% max | 1.0% max |
Chlorides ( As NaCL) | 0.5% max | 0.1% max |
Arsenic ( As ) | - | 0.0002% max |
Heavy metals ( As Pb ) | - | 0.0005% max |
Iron (Fe) | 0.005% max | 0.002% max |
Water insolubles | 0.05% max | 0.02% max |
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