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Anhydrous trisodium phosphate
Molecular formula: Na3PO4
Molecular weight: 164.12
[Character] White granular powder. Soluble in water, insoluble in ethanol and carbon disulfide. It weathered in dry air.
[To use]Used as an analytical reagent for trace analysis of uranium. In chemical industry, anti - weaving, printing and dyeing, paper making, power generation and other industries used as water softener and detergent, boiler anti - scaling agent, metal rust remover, sugar juice purification agent, rubber emulsion coagulant, to use fabric mercerization enhancement agent.
[Standard] The impurity content is measured in percentage
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Specification
Name of index
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High purity
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specified level
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Content (Na3PO4·12H2O)/%
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≥98.0
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Clarity test
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qualified
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Sulfate(SO4)
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≤0.25
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Fluoride(F)
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≤0.005
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PH(1%aqueous solution)
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11.5-12.5
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Arsenic(As)
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≤0.0003
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Heavy metal(Pb)
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≤0.001
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Lead
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≤0.0004
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Phosphorus pentoxide(P2O5)
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≤18.3
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Methyl orange alkalinity
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36-40
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Water insolubles
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≤0.2
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[Packing] Plastic inside and outside woven, kraft paper bag or cardboard bucket, net weight 25kg.
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