Specification :

Specification: Tech. grade, food grade

Chemical formula : ( NaPO3) 6

Molecular weight: 611.82

Standard executed: HG/ T2837-1997

Properties:

White powder; Density 2.484( 20) ; soluble in water but insoluble in organic solvent; It has got strong hygroscopicity and can absorb humidity from the air to become into pasty form; It may form soluble chelates with ions of Ca, Ba, Mg, Cu, Fe etc. and is a good water treatment chemical.

Technical Data tech grade

Appearance----------------------White powder

P2O5------------------------------------- 68% MIN

Non-active phosphate--------------7.5% MAX

Fe---------------------------------------0.0 5% MAX

PH Value---------------------------5.8 – 7.3

Moisture------------------------------ 0.05% MAX

Solubility----------------------------------Passed

Insolube in water----------------- 0.05% MAX

Polymerization---------------------------9 – 21

Particle size-----------------------------60 mesh