技术指标

规格

分析纯AR

化学纯CP

含量

≥99.0%

≥98.0%

盐酸不溶物

≤0.05%

≤0.1%

氯化物

≤0.005%

≤0.01%

硝酸盐

≤0.01%

≤0.02%

硫酸盐

≤0.02%

≤0.05%

铁

≤0.005%

≤0.01%

重金属

≤0.01%

≤0.02%

钴

≤0.1%

≤0.2%

碱金属及碱土金属

≤0.1%

≤0.2%