指标名称 | 规格 | |
AR | CP | |
外观 | 合格 | 合格 |
含量[NaHCO3] /% | ≥99.5 | ≥99.0 |
PH值 | ≤8.6 | ≤8.6 |
澄清度试验 | 合格 | 合格 |
水不溶物/% | ≤0.01 | ≤0.02 |
氯化物(Cl) /% | ≤0.002 | ≤0.005 |
硫酸盐(SO4)/% | ≤0.005 | ≤0.01 |
总氮量(N) /% | ≤0.001 | ≤0.002 |
磷酸盐和硅酸盐(以SiO2计)/% | ≤0.005 | ≤0.01 |
镁(Mg) /% | ≤0.003 | ≤0.005 |
钾(K) /% | ≤0.01 | ≤0.02 |
钙(Ca) /% | ≤0.007 | ≤0.01 |
铁(Fe) /% | ≤0.001 | ≤0.002 |
重金属(以Pb计) /% | ≤0.001 | ≤0.002 |