技术指标

规格

分析纯AR

含量

≥98.0%

pH值(50g/L;25℃)

4.0-6.0

水不溶物

≤0.005%

硫酸盐

≤0.005%

硝酸盐

≤0.005%

钠

≤0.01%

钙

≤0.01%

铁

≤0.001%

钴

≤0.01%

铜

≤0.002%

锌

≤0.005%

铅

≤0.002%