Index value of quality |
indicators |
Total alkali content (as NaHCO3 )% ≥ |
99.0-100.5 |
Loss on drying% ≤ |
0.20 |
PH value (10g / 1 solution) ≤ |
8.60 |
Arsenic (As) content% ≤ |
0.0001 |
Heavy metal (Pb) content% ≤ |
0.0005 |
Ammonium content |
through the test |
Clarity |
through the test |
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