Test  Item

Specification

1.

Appearance

Powder

2.

CaCo3 content

98.25%

3.

HeavyMetals,max               

0.001%

4.

whiteness ,max                         

93.3%

5.

Residue of Sieve (320 mesh)  max

0.5%

6.

Sulfide

zero

7.

PH  value                

9.58