Chemistry, asked by biswasv19, 5 months ago

Which is used as masking agent for lead in complexometric titration?

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Answered by keshav2150

A method is proposed for the selective complexometric determination of lead, with sulphuric acid and barium chloride being used as the masking agent. ... In order to decompose the lead - EDTA complex, H2S04 and BaCI, are added and the liberated EDTA is again back-titrated with zinc nitrate

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