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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% | ≥99.5 | ≥98.5 |
磷酸鹽(PO4)% | ≤0.0005 | ≤0.001 |
水不溶物% | ≤0.005 | ≤0.01 |
鎂(Mg)% | ≤0.001 | ≤0.002 |
鈉(Na)% | ≤0.005 | --- |
鉀(K)% | ≤0.005 | --- |
鈣(Ca)% | ≤0.001 | ≤0.002 |
鐵(Fe)% | ≤0.0005 | ≤0.001 |
PH(50G/L 25℃) | 4.5—5.5 | 4.5-5.5 |
澄清度試驗/號 | ≤3 | ≤5 |
硫酸鹽(SO4)% | ≤0.005 | ≤0.005 |
灼燒殘渣% | ≤0.02 | ≤0.05 |