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分析纯AR

化学纯CP

含量(Zn)

≥57.5%

≥57.0%

硫酸不溶物

≤0.01%

≤0.03%

游离碱（Na₂CO₃）

≤0.05%

≤0.10%

氯化物

≤0.002%

≤0.004%

硫酸盐

≤0.01%

≤0.03%

硝酸盐

≤0.01%

≤0.01%

铁

≤0.002%

≤0.005%

铅

≤0.005%

≤0.050%

砷

≤0.003%

≤0.003%

碱金属及碱土金属

≤0.5%

≤1.0%