Item

standard

Result

Purity ,%                                  ≥

99.90

99.98

Water,Wt%. PPm %                       ≤

50

35

Alkalinity, NaOH,%                        ≤

0.03

0.01

Density  P20/g/cm3                            

1.615-1.625

1.624

ColourHazen,                                 ≤

15

10

Non-volatile matter ,%                  ≤

0.005

0.002