Testing Items

Reference Data

Conclusion

Appearance

White yellow crystalline

 powder

Conforms

Content%                    ≥              

92.00

99.15

Water-insoluble matter %      ≤               

0.05

0.04

Calcium-Magnesium content (Mg)%                      ≤    

0.06

0.01

Chloride (Cl) (on dry basis) %      ≤    

2.00

0.04

Iron (Fe )%                  ≤         

0.04

0.001

Moisture %                  ≤           

21.50

0.05

Whiteness                   ≥            

85

85.4

pH(10g/Lwater solution)       ≤        

9.25