CAS No.: | 151-21-3 |
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Formula: | C12h25nao4s |
EINECS: | 205-788-1 |
Certification: | ISO |
Purity: | 90%~99% |
Type: | Sodium Sulfate |
Samples: |
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Item | Specification (Standard: GB/T15963-1995 ) | |||
Appearance | White Powder Form | White Needle Form | Clear, light yellow Liquid 1# | Clear, light yellow Liquid 2# |
Active ingredient (%) | ≥92, 93, 95 | ≥92, 93, 95 | Total Solid matter(%) ≥28 | Total Solid matter(%) ≥35 |
Soluble substances (%) | ≤1.5 | ≤1.5 | ≤0.5 | ≤0.3 |
Inorganic salts (NaCl+Na2SO4) (%) | ≤5.5, 4.5, 2.5 | ≤5.5, 4.5, 2.5 | ≤2.0 | ≤2.0 |
Water (%) | ≤2.5 | ≤3.5 | - | - |
pH (1% aq. Solution 25°C) | 7.5~9.5 | 7.5~9.5 | 7.5~9.5 | 7.5~9.5 |
Whiteness (WG) | ≥90 | ≥90 | - | - |
Color (Hazen, 5% a.m. solution) | - | - | ≤50 | ≤50 |
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