Customization: | Available |
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CAS No.: | 151-21-3 |
EINECS: | 205-788-1 |
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Specifications
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Items
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standard
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Appearance
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white powder
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white needle
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Active content(%)
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≥92
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≥93
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≥95
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≥92
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≥93
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≥95
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Petroleum ether soluble substance(%)
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≤1.5
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≤1.5
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≤1.5
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≤1.5
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≤1.5
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≤1.5
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Inorganic salt content(nacl+na2so4)(%)
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≤5.5
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≤4.5
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≤2.5
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≤4.5
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≤3.5
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≤2.5
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Water content(%)
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≤2.5
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≤2.5
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≤2.5
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≤3.5
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≤3.5
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≤3.0
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PH value(1% solution)
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7.5~9.5
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7.5~9.5
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7.5~9.5
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7.5~9.5
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7.5~9.5
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7.5~9.5
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Whiteness(wg)
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≥90
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≥90
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≥90
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≥90
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