指标名称

规格

工作基准

分析纯AR

化学纯CP

电子级

制定级1

化妆品级

含量

99.95%-100.05%

≥99%

≥98%

≥99.9%

99.5

化妆品级报送码：

006579-03819-2670

澄清度试验

5号

合格

合格

-

-

盐酸不溶物

-

≤0.01%

≤0.03%

-

≤00.09

三氧化二铁

-

-

-

-

≤0.0001

氧化钠

-

-

-

-

≤0.0009

碳酸镁

-

-

-

-

≤0.005

氧化钡

-

-

-

-

≤0.001

碳酸锶

-

-

-

-

≤0.025

氧化铝

-

-

-

-

≤0.0005

碱度

0.25mmol/100g

0.25mmol/100g

0.25mmol/100g

-

-

氯化物

≤0.001%

≤0.002%

≤0.01%

≤0.01%

≤0.005

硫酸盐

≤0.01%

≤0.01%

≤0.05%

≤0.01%

≤0.009

钠

-

≤0.1%

≤0.3%

≤0.01%

-

钾

-

≤0.005%

≤0.05%

-

-

镁

≤0.02%

≤0.05%

≤0.2%

≤0.004%

-

锶

-

≤0.05%

≤0.1%

≤0.03%

-

钡

-

≤0.02%

≤0.04%

≤0.005%

-

铁

≤0.001%

≤0.001%

≤0.005%

≤0.0002%

-

重金属

≤0.001%

≤0.001%

≤0.005%

-

D50（um）

-

-

-

≦1.6-2.1%

0.5-3.0

粒径形貌

-

-

-

近似球形

-

干燥失重

≤0.2%

-

-

-

-

总氮量

≤0.01%

-

-

-

-