Indicator | Value |
---|---|
Mass fraction of magnesium sulphate, %, not less | 70,1 |
Mass fraction of silicon oxide, %, not less | 15,6 |
Mass fraction of iron sulfate, %, not less | 14,3 |
Mass fraction of chlorides, % | <0,001 |
Mass fraction of fluoride, % | <0,0005 |
Mass fraction of heavy metals, % | <0,0001 |
Mass fraction of arsenic, % | <0,0001 |
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