指標(biāo)名稱

規(guī)格

分析純

化學(xué)純

可根據(jù)客戶制定標(biāo)準(zhǔn)定制

含量

≥98.0%

≥97.0%

水不溶物

≤0.01%

≤0.02%

游離酸

≤0.008%

≤0.02%

游離堿

≤0.002%

-

溴酸鹽

≤0.001%

≤0.002%

氯化物

≤0.2%

≤0.8%

碘化物

≤0.005%

≤0.01%

硫酸鹽

≤0.005%

≤0.01%

銨

≤0.003%

≤0.006%

鋇

≤0.003%

≤0.006%

鈣

≤0.01%

≤0.02%

鐵

≤0.0005%

≤0.001%

堿金屬

≤0.2%

≤0.5%

重金屬

≤0.0005%

≤0.001%