sodium dodecyl sulfate sodium dodecyl sulfate Sodium Lauryl Sulfate
Sodium lauryl sulfate (sodium dodecyl sulphate) is a kind of anionic surfactant, dissolves in the water easily, compatibility with anion and non-ionic, good performances on emulsifying, foaming, osmosis, detergency and de-centrality.
Item | Standard | |||||
---|---|---|---|---|---|---|
Standard | GB/T15963-1995 | |||||
Appearance | White powder | White needle | ||||
Active ingredient (%) | 92 | 93 | 95 | 92 | 93 | 95 |
Petroleum ether soluble substances (%) | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
Inorganic salts (NaCl+Na2SO4) (%) | 5.5 | 4.5 | 2.5 | 4.5 | 3.5 | 2.0 |
Water (%) | 2.5 | 2.5 | 2.5 | 3.5 | 3.5 | 3.0 |
pH (1% aq. solution) | 7.5-9.5 | 7.5-9.5 | 7.5-9.5 | 7.5-9.5 | 7.5-9.5 | 7.5-9.5 |
Whiteness (W G ) | 90 | 90 | 90 | 90 | 90 | 90 |
Hazen color | - | - | - | - | - | - |
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