Sodium Tripolyphosphate (STPP)
CAS No:7758-29-4
ITEM
STANDARD
ASSAY (Na5P3O10)
≥95
APPEARANCE
WHITE GRANULAR
P2O5
≥ 57.0
FLUORIDE (PPM)
≤ 10
CADMIUM (PPM)
≤1
LEAD (PPM)
≤4
MERCURY (PPM)
ARSENIC (PPM)
≤3
HEAVY MENTAL (AS PB) (PPM)
≤10
CHLORIDES (AS CL)
≤0.025 %
SULPHATES (SO42-)
≤0.4 %
SUBSTANCES NOT DISSOLVED IN WATER
≤0.05 %
PH VALUE
9.5% - 10.0%
LOSS ON DRYING
≤0.7%
HEXAHYDRATE
≤23.5%
WATER-INSOLUBLE SUBSTANCES
≤0.1%
HIGHER POLYPHOSPHATES
≤1%
Sorbic Acid
Sodium Benzoate
Potassium Sorbate Granular
Potassium Benzoate
Benzoic Acid
Milk Thistle Extract - Silymarin
Green Tea Extract
Black Tea Extract
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