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硫酸钴  | 试剂级分析纯  | 试剂级化学纯  | 工业级  | 
项 目  | 指 标  | 指 标  | 指 标  | 
含量%  | ≥99.5  | ≥98.5  | ≥98.0  | 
水不溶物%  | ≤0.005  | ≤0.01  | ≤0.02  | 
氯化物(Cl)%  | ≤0.002  | ≤0.005  | ≤0.02  | 
总氮(N)%  | ≤0.05  | ≤0.05  | ——  | 
锰(Mn)%  | ≤0.005  | ≤0.02  | ≤0.02  | 
铁(Fe)%  | ≤0.001  | ≤0.005  | ≤0.01  | 
镍(Ni)%  | ≤0.01  | ≤0.1  | ≤0.1  | 
锌(Zn)%  | ≤0.005  | ≤0.02  | ≤0.02  | 
钠(Na)%  | ≤0.01  | ≤0.05  | ≤0.05  | 
钙(Ca)%  | ≤0.005  | ≤0.025  | ≤0.05  | 
铜(Cu)%  | ≤0.001  | ≤0.005  | ≤0.01  |