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關鍵詞:無水碳酸鈉
項目 | 分析純 (A R) | 化學純 (C P) |
含量% | ≥99~101 | ≥98~101 |
氯化物(Cl)% | ≤0.001 | ≤0.005 |
水不溶物% | ≤0.005 | ≤0.02 |
總氮量(N)% | ≤0.001 | --- |
磷酸鹽(PO4)% | ≤0.0005 | ≤0.002 |
砷(As)% | ≤0.0002 | ≤0.0002 |
錳(Mn)% | ≤0.05 | ---- |
鐵(Fe)% | ≤0.02 | ≤0.1 |
銅(Cu)% | ≤0.002 | ≤0.01 |
鋅(Zn)% | ≤0.005 | ≤0.02 |
鉛(Pb)% | ≤0.002 | ≤0.005 |
氨水不沉淀物% | ≤0.05 | ≤0.2 |