指標(biāo)名稱(chēng)

規(guī)格

分析純AR

化學(xué)純CP

指定級(jí)ZD

含量

≥99.0%

≥98.0%

特殊規(guī)格可定制

水不溶物

≤0.01%

≤0.05%

游離堿

≤0.1%

≤0.1%

硫酸鹽

≤0.01%

≤0.03%

硝酸鹽

≤0.01%

≤0.03%

磷酸鹽

≤0.01%

≤0.03%

錳

≤0.02%

--

亞鐵

≤0.002%

≤0.005%

銅

≤0.005%

≤0.01%

鋅

≤0.003%

≤0.01%

砷

≤0.002%

≤0.01%

鈉

≤0.02%

≤0.5%

鎂

≤0.002%

--

鉀

≤0.002%

--

鈣

≤0.005%

--