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在pH2.4的邻苯二酚紫-Se(Ⅳ)体系中,Sb(Ⅲ)产生一个灵敏的极谱波,其导数峰电位为—0.28V(vs.SCE),线性范围0.008~0.4μg·ml~(-1),许多离子不干扰,不用分离和富集,可直接测定金属铅及铅锌矿浸出渣中微量锑.方法具有灵敏、快速、准确的特点.
Sb (Ⅲ) produced a sensitive polarographic wave with a derivative peak potential of -0.28V (vs.SCE) and a linear range of 0.008-0.4μg · Ml ~ (-1), many ions do not interfere, without separation and enrichment, it can directly measure trace antimony in leaching residue of metallic lead and lead-zinc ore.It is sensitive, rapid and accurate.