Appearance:White powder or granule

Assay (as Na5P3O10 ) :85.0 %

P2O5:56 – 59%

Higher polyphosphates:1.0Max

pH ( 1% solution ): 9.1-10.2

Arsenic ( As )mg/kg :1.0Max

Fluoride ( F )mg/kg:10.0Max

Cadmium (Cd)mg/kg:1.0Max

Mercury (Hg)mg/kg:1.0Max

Lead ( Pb )mg/kg:1.0Max

Insoluble Substance %:0.1Max

Loss On Drying %:0.7Max