指标名称

规格

分析纯

化学纯

指定级

含量

≥99.0%

≥99.0%

澄清实验度

合格

合格

硝酸不溶物

≤0.002%

≤0.005%

氯化物

≤0.001%

≤0.005%

硫酸盐

≤0.005%

≤0.01%

砷

≤0.0005%

≤0.001%

钠

≤0.002%

≤0.005%

镁

≤0.001%

≤0.002%

钾

≤0.002%

≤0.005%

钙

≤0.001%

≤0.005%

铁

≤0.0005%

≤0.001%

铜

≤0.001%

≤0.003%

锌

≤0.001%

≤0.002%

银

≤0.001%

≤0.003%

铅

≤0.005%

≤0.01%