1    Characteristics 

White granular crystals or a white crystalline powder

2                 ≤

Definition

%

99.0-100.5

99.92

8(Pb)        ≤

Heavy metals

PPM

10

5

9         

Water

%

3.0-6.0

5.75

10              ≤

Sodium

%

0.3

0.13

6            ≤

Arsenic

PPM

3

1