Sodium Tripolyphosphate
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China [CN] Sodium Tripolyphosphate STPP Specifications:
|
|
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Sodium tripolyphosphate 95% |
|
Appearance |
|
White Powder or granules |
|
Sodium Tripolyphosphate |
%(w/w) |
min 95 |
|
P2O5 |
%(w/w) |
min 57.0 |
|
Fluoride (as F) |
mg/kg |
max 30 |
|
Arsenic (As) |
mg/kg |
max 3 |
|
Heavy Metal (as Pb) |
mg/kg |
max 10 |
|
Chloride (as Cl) |
mg/kg |
max 250 |
|
Sulfate (as SO42-) |
%(w/w) |
max 0.4 |
|
Water Insoluble |
%(w/w) |
max 0.05 |
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PH (1% aqueous solution) |
|
9.5 -10.0 |
|
Whiteness |
% |
min 85 |
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