指標(biāo)名稱

規(guī)格

分析純AR

化學(xué)純CP

含量

≥99.0%

≥97.0%

澄清度實(shí)驗(yàn)

合格

合格

水不溶物

≤0.005 %

≤0.01%

氯化物

≤0.0005%

≤0.003%

硫酸鹽

≤0.005%

≤0.01%

磷酸鹽

≤0.001%

≤0.002%

鈉

≤0.005%

≤0.004%

鉀

≤0.005%

≤0.004%

鈣

≤0.01%

≤0.04%

錳

≤0.001%

≤0.005%

鐵

≤0.0002%

≤0.001%

鍶

≤0.005%

≤0.004%

鋇

≤0.001%

≤0.005%

重金屬

≤0.0005 % 

≤0.002 %