Description
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Sodium Tripolyphosphate,
Anhydrous is a white powder solid.
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Synonym?
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Pentasodium Triphosphate; Sodium Tripolyphosphate Anhydrous; Sodium Triphosphate Anhydrous; STPP.
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Formula
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Na5P3O10
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Molecular Weight
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367.9
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CAS Number
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7758-29-4
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CAS Index Name
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Triphosphoric Acid, Pent sodium Salt
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Grade
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Food grade, Free from any harmful and toxic substance.
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Items
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Unit
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Specifications
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Assay( Na5P3O10)
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%
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95.0Min
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Typical data
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Phosphorus pentoxide (As P2O5)
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%
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57.0Min
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PH??9.7
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Fluorides ( F)
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%
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0.003Max
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Loss on drying (1hr. 105??/span>) 0.4%
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Arsenic (As)
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%
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0.0003Max
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Lead (Pb) less than 5ppm
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Heavy metal (as Pb)
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%
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0.001Max
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?/span>
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Substances not
Dissolved in water
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%
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0.05 Max
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?/span>
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Ph (1%of aqueous Solution)
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?/span>
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9.5-10.0
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?/span>
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Chlorides (As Cl-)
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%
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0.025 Max
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?/span>
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Sulphates (As SO42-)
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%
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0.4 Max
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?/span>
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Whiteness
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?/span>
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85Min
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?/span>
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Packing:?????????? 25kg/PP/PE bag
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?/span>
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