Sodium tripolyphosphate

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Sodium tripolyphosphate
Posting date : Nov 22, 2010
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28-
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Chemical formula: Na5P3O10 Molecular weight: 367.86 Voluntary standards: GB9983-88 Properties: White powder, surface density: 0.35-0.9g/cm3, melting point:622℃, free soluble in water, aqueous solution appears acid. It is a kind of inorganic surface active agent. Main use: Mainly used as additive in synthesizing detergent. Used as soap synergist, water softener, pretanning, dyes auxiliary and oil proof etc.. Packaging and transportation: 25kg-50kg woven bag lined with plastic, stored in dry and draughty place. Technical index: No. Item Top quality First quality 1 Main content(base on Na5P3O10) % ≥ 94 90 2 Phosphorus pentoxide % ≥ 57 56.5 3 Insoluble substance in water % ≤ 0.04 0.08 4 Iron content % ≤ 0.006 0.007 5 Whiteness % ≥ 92 90 6 Granularity 1mm test sieve % 5 5 7 Drying loss % ≤ 0.5 0.5 8 PH value(1% aqueous solution) 9.2—10.0 9.2—10.0

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