指標(biāo)名稱

規(guī)格

優(yōu)級(jí)純GR

分析純AR

化學(xué)純

CP2015

含量

≥99.0

≥99.0%

≥99.0%

≥98.0

PH

-

5.0~6.5

5.0~6.5

5.0~6.5

澄清度實(shí)驗(yàn)

應(yīng)符合規(guī)定

應(yīng)符合規(guī)定

應(yīng)符合規(guī)定

合格

乙醇溶解實(shí)驗(yàn)

應(yīng)符合規(guī)定

應(yīng)符合規(guī)定

應(yīng)符合規(guī)定

合格

水不溶物

≤0.003%

≤0.005%

≤0.01%

≤0.01

硫酸鹽

≤0.002%

≤0.005%

≤0.01%

≤0.01

磷酸鹽

≤0.0005%

≤0.001%

≤0.002%

≤0.002

總氮量

≤0.002%

≤0.005%

≤0.01%

≤0.01

鈣

≤0.01%

≤0.05%

≤0.01%

≤0.1

鐵

≤0.0002%

≤0.0005%

≤0.001%

≤0.001

鋇和鍶

≤0.002%

≤0.005%

≤0.005%

≤0.005

重金屬

≤0.0002%

≤0.0005%

≤0.001%

≤0.001

鈉

≤0.005%

-

-

-

鉀

≤0.005%

-

-

-