指标名称

规格

优级纯GR

分析纯AR

化学纯CP

电子级I

电子级II

化妆品级

含量

≥85%

≥82.0%

≥80.0%

≥95.0%

≥99.0%

化妆品级报送码：

005432-03819-4352

碳酸盐

≤1.0%

≤2.0%

≤2.0%

--

--

澄清度实验

合格

合格

合格

--

--

氯化物

≤0.005%

≤0.01%

≤0.025%

≤0.005%

≤0.005%

硫酸盐

≤0.003%

≤0.005%

≤0.01%

≤0.002%

≤0.002%

氮化合物

-

-

-

--

--

硝酸盐及亚硝酸盐

--

--

--

≤0.0002%

≤0.0002%

总氮量

≤0.0005%

≤0.001%

≤0.005%

--

--

磷酸盐

≤0.001%

≤0.005%

≤0.01%

≤0.002%

≤0.002%

硅酸盐

≤0.01%

≤0.02%

≤0.1%

≤0.005%

≤0.005%

钠

≤1.0%

≤2.0%

≤2.0%

≤0.3%

≤0.3%

镁

--

--

--

≤1%

≤1%

铅

--

--

--

≤1%

≤1%

钴

--

--

--

≤1%

≤1%

铬

--

--

--

≤1%

≤1%

铜

--

--

--

≤1%

≤1%

铝

≤0.002%

≤0.005%

--

≤1%

≤1%

钙

≤0.003%

≤0.005%

≤0.02%

≤5%

≤5%

铁

≤0.0005%

≤0.001%

≤0.002%

≤1%

≤1%

锌

≤0.001%

≤1%

≤1%

镍

≤0.0001%

≤0.0005%

--

≤1%

≤1%

重金属

≤0.001%

≤0.002%

≤0.003%

≤0.001%

≤0.001%