STPP

STPPH.S.Code:2835 3100 Chemical formula: Na5P3O10Molecular weight: 367.86Quality : White powder, surface density 0.35-0.9g/cm3,melting point 622 . Dissolve in water easily, the aqueous solution is alkalinity. A kind of inorgantic chemical surface-active agent, with two kinds of forms:Na5P3O10-i and Na5P3O10(B). Two forms have the same chemical property. Guaranteed Technical Specifications (GB9983-88) : Indexes Industrial Grade Food Grade Assay Na5P3O10 % ≥ 94.0 94.0 P2O5 % ≥ 57.0 57.0 Water Insoluble Matter %≤ 0.15 0.05 Iron(Fe) %≤ 0.01 0.01 PH value (1% water solution) 9.2-10.0 9.5-10.0 Heavy Metal (as Pb) %≤ 0.001 Arsenic (As) %≤ 0.0003 Fluoride (F) %≤ 0.003 Particle Size Through 16 mesh sieve %≥ Through 35 mesh sieve %≥ Trough 100 mesh sieve %≥ 95 90 40 95 90 40 Whiteness %≥ 90 90