指標(biāo)名稱

規(guī)格

分析純AR

化學(xué)純CP

定制

含量

99.0%~101.0%

99.0%~102.0%

可定制3N、4N砰吻、5N咒吐、6N

pH值 (50g/L ,25℃)

7.0~10.5

7.0~10.5

澄清度試驗(yàn),號(hào)

≤3

≤5

水不溶物

≤0.005%

≤0.01%

氯化物

≤0.005%

≤0.01%

硫酸鹽

≤0.005%

≤0.01%

硝酸鹽

≤0.005%

≤0.02%

磷酸鹽

≤0.0005%

≤0.001%

銨

≤0.001%

≤0.005%

鐵

≤0.001%

≤0.002%

鎢

≤0.2%

≤0.3%

重金屬(以Pb計(jì))

≤0.0005%

≤0.001%