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Updated: Aug 6, 2026

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Atomic Absorbance Spectroscopy to Measure Intracellular Zinc Pools in Mammalian Cells
Published on: May 16, 2019
Direct determination of zinc in insulin preparations by differential pulse polarography
L L Lewin1, P Sanz Pedrero, M R Vilariño
1Departamento de Físico-Química y Técnicas Instrumentales, Facultad de Farmacia, Universidad Complutense, 28040 Madrid, Spain.
Journal of Pharmaceutical and Biomedical Analysis
|January 1, 1986
Abstract:
A rapid and direct differential pulse polarographic method for the determination of zine in insulin preparations is described. Optimum conditions were studied using 0.2 M acetate buffer (pH 4.1) as the supporting electrolyte. Agreement between the results by direct analysis and those by the procedure involving pressurized digestion was satisfactory.

