S.No.

Technical Specification

Anhydrous       

Dodecahydrate

1.

Matter insoluble in water,%by mass  

Max     0.20

Max     0.20

2.

Phosphate (as P2O5),% by mass

Min    41.00

Min    17.50

3.

Cabonate Alkalinity,% by mass

Max     2.00              

Max     3.00

4.

Total Alkalinity (asNaOH), %by mass

Max     3.00

Max     4.50

5.

Soluble Iron compounds(asFe),%bymass

Max     0.02

Max     0.009

6.

Chloride(asCI0,% by mass

Max     0.10

Max     0.10

7.

Soluble silica % by mass

Max     Nil

Max     0.10

8.

Toxicity                                   

Nil

Nil