Sodium Tripolyphosphate (Stpp) By Www.yijinhang.com

Guaranteed Technical Specifications of Sodium Tripolyphosphate (STPP):
Specifications---------------------Industrial Grade
AssayNa5P3O10 % -----------------------a Y 94.0
P2O5 % --------------------------------a Y 57.0
Sodium Pyrophosphate %-----------------a 3
Sodium Sulphate ---------------------a 2.0
Water Insoluble Matter %---------------a 0.1
Iron(Fe) %-----------------------------a 0.01
PH value(1%water solution)-------------9.2-10.0
Heavy Metal (as Pb) %-------------------a -
Arsenic (As) %--------------------------a -
Fluoride (F) %--------------------------a -
Particle Size
Power:
(ASTM)Through 200 mesh sieve %---------a Y 75
Through 100 mesh sieve %---------------a Y 90
Whiteness %----------------------------a Y 100.0
Density-------------------------------0.7-1.000 kg/lt
Phase I -------------------------------10-30