Sr. No.

Characteristics

Unit

Standard Value

1

Appearance

–

White Flakes

2

Assay as NaOH

%

97.5 Min.

3

Assay as NaOH
(Dry Basis)

%

99.5 Min.

4

Sodium Chloride

ppm

1000 Max.

5

Iron as Fe+3(100% Basis)

ppm

20.0 Max.

6

Sodium Carbonate

%

0.40 Max