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Colovos G, Freiser H. Determination of 2,3-dimercaptopropanol-l (BAL) by titration with zinc, with eriochrome black T as indicator. Talanta. 1969;16(12):1605-7doi: 10.1016/0039-9140(69)80226-2.
Colovos, G., & Freiser, H. (1969). Determination of 2,3-dimercaptopropanol-l (BAL) by titration with zinc, with eriochrome black T as indicator. Talanta, 16(12), 1605-7. https://doi.org/10.1016/0039-9140(69)80226-2
Colovos, G, and Freiser, H. "Determination of 2,3-dimercaptopropanol-l (BAL) by titration with zinc, with eriochrome black T as indicator." Talanta vol. 16,12 (1969): 1605-7. doi: https://doi.org/10.1016/0039-9140(69)80226-2
Colovos G, Freiser H. Determination of 2,3-dimercaptopropanol-l (BAL) by titration with zinc, with eriochrome black T as indicator. Talanta. 1969 Dec;16(12):1605-7. doi: 10.1016/0039-9140(69)80226-2. PMID: 18960686.
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Talanta. 1969 Dec;16(12):1605-7. doi: 10.1016/0039-9140(69)80226-2.

Determination of 2,3-dimercaptopropanol-l (BAL) by titration with zinc, with eriochrome black T as indicator.

Talanta

G Colovos, H Freiser

Affiliations

  1. Department of Chemistry University of Arizona Tucson, Arizona 85721, U.S.A.

PMID: 18960686 DOI: 10.1016/0039-9140(69)80226-2

Abstract

A method is proposed for the titrimetric determination of BAL with zinc solution and Eriochrome Black T (EBT) as indicator. It is based on the difference of the stabilities of the Zn(BAL)a and Zn-EBT complexes. The accuracy of the method is very good and the interference of diverse mercaptans is limited to those compounds forming zinc complexes more stable than the Zn-EBT complex.

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