Selective Chelatometric Titration of Lead and Copper

Selective Chelatometric Titration of Lead and Copper[J]. Rock and Mineral Analysis, 1990, (3): 238-240.

Citation:

Selective Chelatometric Titration of Lead and Copper[J]. Rock and Mineral Analysis, 1990, (3): 238-240.

Citation:

Selective Chelatometric Titration of Lead and Copper[J]. Rock and Mineral Analysis, 1990, (3): 238-240.

ABSTRACT

EDTA is added to the sample solution and the excess is removed by ti-tration at pH 5-7 with Zn(NO3)2(XO-CTMAB indicator). H2SO4 and 20% BaCl2 are added to decompose Pb-EDTA chelate and Pb is indirectly determined by titration with Zn(NO3)2, then thioglyco

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