SPECIFICATION OF Food Grade STPP
 
Test
Units
Specification
Assay, Na5P3O10 %m/m 90 min
Total P2O5 % m/m 56 min
Moisture @ 105ºC, 1hr %m/m 1 max
Water insolubles % m/m 0.1 max
Clarity of 10% solution -- Clear, water-white
Arsenic, As mg/kg 2 max
Fluoride,F mg/kg 10 max
Heavy metals as Pb mg/kg 10 max
Lead Pb mg/kg 2 max
Iron Fe mg/kg 50 max
Bulk Density loose g/ml 0.6 Typical
Temperature Rise ºC 15 min
Particle size Distribution % m/m Typical
   
+850 microns +20 mesh
-850+500microns -20+32 mesh
-500+250microns -32+60mesh
-250+150microns -60+100mesh
-150 microns(cum) -100mesh(cum)
 
0
0.5
3
9
90
Appearance -- White fine powder
 
 
 
 

  All name & logo on the website are intellectual properties of their respective owners   (acidindia.in)