指标名称

规格

分析纯AR

化学纯CP

指定级ZD

含量

≥99.0%

≥98.0%

特殊规格可定制

水不溶物

≤0.01%

≤0.05%

游离碱

≤0.1%

≤0.1%

硫酸盐

≤0.01%

≤0.03%

硝酸盐

≤0.01%

≤0.03%

磷酸盐

≤0.01%

≤0.03%

锰

≤0.02%

--

亚铁

≤0.002%

≤0.005%

铜

≤0.005%

≤0.01%

锌

≤0.003%

≤0.01%

砷

≤0.002%

≤0.01%

钠

≤0.02%

≤0.5%

镁

≤0.002%

--

钾

≤0.002%

--

钙

≤0.005%

--