Soda Ash Light/Dense

Test item

Specification

AR

CP

Assay (Na2CO3) /%

≥*9.8

≥*9.8

Clarify degrees test

Conform

Conform

Water insoluble/%

≤0.*1

≤0.*2

Dry weightlessness /%

≤1.0

≤1.0

Chloride (Cl) /%

≤0.**2

≤0.**5

Sulfur compounds (SO4) /%

≤0.**5

≤0.*1

Nitrogen compounds (N) /%

≤0.**1

≤0.**2

Phosphate and Portland (SiO3) /%

≤0.**6

≤0.**3

Magnesium (Mg) /%

≤0.**2

≤0.**5

Aluminum  (Al) /%

≤0.**3

≤0.*1

Potassium (K) /%

≤0.**5

≤0.*2

Calcium (Ca) /%

≤0.*1

≤0.*2

Ferric (Fe) /%

≤0.**0 5

≤0.**1

Heavy metal (Pb) /%

≤0.**0 5

≤0.**1