CAS No.: | 7681-57-4 |
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Formula: | Na2s2o5 |
EINECS: | 231-673-0 |
Certification: | CCIC, CIQ |
Purity: | 90%~99% |
Type: | Sodium Sulfate |
Samples: |
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Customization: |
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Chemical Analysis- Sodium metabisulphite Food Grade
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Component
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Standard
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Result
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Appearance
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white or yellowwish crystalline powder
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Confirm
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Content
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≥96.5%
|
97.50%
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Fe
|
≤0.003
|
0.0015
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Clarity
|
Clarify
|
confirm
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Pb
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≤0.0005
|
0.0002
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As
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≤0.0001
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0.0001
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SO2
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>65%
|
66.8%
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PH Value
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4.0-4.6
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4.3
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Water soluble
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20ºC,54g/100ml water
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Confirm
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