指標名稱

規格

指定級

工作基準

第一基準

優級純

分析純

化學純

根據客戶要求制作

含量

≥99.95-100.05%

≥99.98-100-02%

≥99.8%

≥99.8%

≥99.8%

澄清度實驗

2號

合格

合格

合格

合格

水不溶物

≤0.005%

≤0.005

≤0.01%

≤0.02%

氯化物

≤0.001%

≤0.001%

≤0.001%

≤0.002%

≤0.005%

灼燒失重

≤0.5%

≤1.0%

≤1.0%

硫化合物

≤0.003%

≤0.003%

≤0.003%

≤0.005%

        ≤0.01%         

氮化合物

≤0.001%

≤0.001%

≤0.002%

磷酸鹽和硅酸鹽

≤0.0025%

≤0.0025%

≤0.0025%

≤0.006%

≤0.013%

總氮量

≤0.001%

 ≤0.001%

≤0.002%

鎂

≤0.0005%

≤0.0005%

≤0.0005%

≤0.002%

≤0.005%

鋁

≤0.001%

≤0.001%

≤0.001%

≤0.003%

≤0.01%

鉀

≤0.0005%

≤0.005%

≤0.005%

≤0.005%

≤0.02%

鈣

≤0.01%

≤0.005%

≤0.005%

≤0.01%

≤0.02%

鐵

≤0.0003%

≤0.0003%

≤0.0003%

≤0.0005%

≤0.001%

重金屬

≤0.0005%

≤0.0005%

≤0.0005%

≤0.0005%

≤0.001%