指标名称

规格

分析纯

化学纯

特殊规格可定制

含量

≥99.5%-101.0%

≥98.5%-101.0%

水不溶物

≤0.005%

≤0.02

氯化物

≤0.002%

≤0.005

硫酸盐

≤0.005%

≤0.01

硝酸盐

≤0.01%

≤0.03

钠

≤0.05%

≤0.1

镁

≤0.005%

≤0.01

钾

≤0.01%

≤0.02

钙

≤0.005%

≤0.01

锰

≤0.005%

≤0.02

铁

≤0.001%

≤0.002

镍

≤0.05%

≤0.2

铜

≤0.002%

≤0.005

锌

≤0.01%

0.1