指標名稱

規(guī)格

指定級

工作基準

第一基準

優(yōu)級純

分析純

化學純

電池級

根據(jù)客戶要求制作

含量

≥99.95-100.05%

≥99.98-100-02%

≥99.8%

≥99.8%

≥99.8%

≥99.5%

澄清度實驗

2號

合格

合格

合格

合格

-

水不溶物

≤0.005%

≤0.005

≤0.01%

≤0.02%

-

氯化物

≤0.001%

≤0.001%

≤0.001%

≤0.002%

≤0.005%

≤0.005%

灼燒失重

-

-

≤0.5%

≤1.0%

≤1.0%

-

硫化合物

≤0.003%

≤0.003%

≤0.003%

≤0.005%

     ≤0.01%   

-

氮化合物

-

-

≤0.001%

≤0.001%

≤0.002%

-

磷酸鹽和硅酸鹽

≤0.0025%

≤0.0025%

≤0.0025%

≤0.006%

≤0.013%

-

總氮量

-

-

≤0.001%

 ≤0.001%

≤0.002%

-

鎂

≤0.0005%

≤0.0005%

≤0.0005%

≤0.002%

≤0.005%

≤0.002%

鋁

≤0.001%

≤0.001%

≤0.001%

≤0.003%

≤0.01%

≤0.002%

鉛

-

-

-

-

-

≤0.0003%

硼

-

-

-

-

-

≤0.002%

鉻

-

-

-

-

-

≤0.0003%

鎳

-

-

-

-

-

≤0.002%

鉀

≤0.0005%

≤0.005%

≤0.005%

≤0.005%

≤0.02%

≤0.005%

鈣

≤0.01%

≤0.005%

≤0.005%

≤0.01%

≤0.02%

≤0.005%

鐵

≤0.0003%

≤0.0003%

≤0.0003%

≤0.0005%

≤0.001%

≤0.001%

硫酸根

-

-

-

-

-

≤0.08%

重金屬

≤0.0005%

≤0.0005%

≤0.0005%

≤0.0005%

≤0.001%

-

鋅

-

-

-

-

-

≤0.0003%

銅

-

-

-

-

-

≤0.0003%

磁性物質(zhì)

-

-

-

-

-

≤0.0003%

粒度

-

-

-

-

-

D10≥1.0μm

4.0μm≤D50≤16.0μm

D90≤35μm

D100≤60μm