執(zhí)行標準：GB/T 15355-2008

規(guī)格

檢測項目

優(yōu)級純GR

分析純

化學純

指定級

含量

≥98.0%

≥98%

≥97%

可根據客戶指標定制

PH值

4.0-6.0

4.0-6.0

4.0-6.0

水不溶物

≤0.005%

≤0.005%

≤0.01%

硫酸鹽

≤0.002%

≤0.005%

≤0.01%

硝酸鹽

≤0.003%

≤0.005%

≤0.01%

鈉

≤0.005%

≤0.01%

≤0.02%

鈣

≤0.005%

≤0.01%

≤0.02%

鐵

≤0.0005%

≤0.001%

≤0.002%

鈷

≤0.005%

≤0.01%

≤0.05%

銅

≤0.001%

≤0.002%

≤0.005%

鋅

≤0.001%

≤0.005%

≤0.02%

鉛

≤0.001%

≤0.002%

≤0.005%