Item

Standard

Result

Appearance

White Powder Crystal

White Powder Crystal

Total alkali (quality of fraction of Na2CO3dry basis) % ≥               

99.20

99.42

  NaCl (quality fraction of Nacl dry basis) % ≤

0.7

0.53

 Fe quality fraction (dry basis) % ≤

0.0035

0.003

Sulfate (quality fraction of SO4dry basis) % ≤

0.03

0.02

Water -fast substance in quality fraction % ≤

0.03

0.027

Conclusion

Superior Grade

Analysis Of Items

Index (High Class)

Inspection Result

Total Alkali (dry basis) % ≥               

99.2

99.6

  Nacl (dry basis) % ≤

0.70

0.38

 Fe Fraction (dry basis) % ≤

0.0035

0.0011

Sulfate (dry basis) % ≤

0.03

0.018

Water Insoluble Substance % ≤

0.03

0.009

Accumulation Density (g/ml) ≥ 

0.90

1.09

Particle Size,180um Sieving Residue % ≥

75.0

84.0

Conclusion

High Class