Name of index

GB1890-2005

FCC-V

Total Phosphate (as P2O5 ) ≥%

68.0

60.0-71.0

Inactive Phosphate (as P2O5) ≤%

7.5

-

Water Insoluble   ≤%

0.06

0.1

Iron (Fe)          ≤%

0.02

-

PH (1% aqueous solution)  

5.8-6.5

-

Arsenic (As)       ≤%

0.0003

0.0003

Heavy Metal (as Pb) ≤%

0.001

-

Fluoride (as F)       ≤%

0.003

0.005

Pb                ≤%

-

0.0004