Quality standards
Name of index
GB25566-2010
FCC-V
Sodium Tripolyphosphate ≥%
85
P2O5 ≥%
56.0-58.0
-
Fluoride (as F) ≤%
0.005
Arsenic (As) ≤%
0.0003
Heavy Metal (as Pb) ≤%
0.001
Chloride (as Cl) ≤%
Sulfate (as SO42-) ≤%
Water Insoluble ≤%
0.1
pH (1% aqueous solution)
9.5-10.0
Whiteness ≥%
Pb ≤%
0.0004
0.0002
Packing: In 25kg composite plastic woven/paper bag with PE liner.
Storage and transport: It should be stored in a dry, ventilative and clean warehouse; kept away from moisture and heat, and stored separately from poisonous substances.