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The apparent stability constants of trace elements (Pb,Cd) with chloride and sulphate complexes in KNO3 solution are det......
本文着重研究用硫酸钡重量法测定SO_4~(2-)的含量时,采用EDTA和HAC联用络合剂掩蔽干扰离子Cr~(3+),在乙醇介质中消除有机磺酸基R—......
