质量指标 | Specifications | GB29206-2012 |
含量( (NH4)2SO4), | Content( (NH4)2SO4) | 99.0-100.5 |
灼烧残渣, w/% ≤ | Ignition | 0.25 |
砷(As),mg/kg ≤ | Arsenic (As) | 3 |
硒 (Se),mg/kg ≤ | Se | 30 |
铅 (Pb),mg/kg ≤ | Pb | 3 |
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