Name Of Index

Technical Grade

Food Grade

Trisodium phosphate

98%min

98%min

Sulphte as SO4

0.5%max

0.5%max

Chloride as Cl

0.3%max

0.3%max

Weter of Insoluble

0.05%max

0.05%max

Methy Orange

16.5-19

16.5-19

Iron(as Fe)

0.01%max

0.01%max

Arsenic(as As)

0.005%max

0.005%max

Fluorine(as F)

----

0.005%max

Plumbum(as Pb)

----

0.001%max

PH Value

11.2-12.1

11.2-12.1