Testing Items

Reference Data

Conclusion

Appearance

White crystalline powder

Conforms

Content (NaHCO3) (on dry basis) %                 ≥

99.0、100.5

99.56

Chloride (Cl)(on dry basis )%           ≤

0.40

99.33

Loss on dry %            ≤            

0.20

0.33

Whiteness               ≥            

85

85

pH Value ( 10g/L water solution)                 ≤  

8.5

8.5

Heavy metal(Pb)%        ≤                  

0.0001

＜0.0001

As%                    ≤                       

0.0005

＜0.0005

HN4

Pass

Pass

Clarity

Pass

Pass