Issue 4, 1987
From the journal:

Analyst

Determination of molybdenum with gallic acid and hydroxylamine

Ma. Pilar Bermejo-Barrera,   Jose Francisco Vazquez-Gonzalez,   Ma Carmen Pazos-Naveira  and  Francisco Bermejo-Martinez  

Abstract

A method for the spectrophotometric determination of molybdenum with gallic acid and hydroxylamine is proposed. The spectrum of the complex formed has a stable absorption maximum at 420 nm in acidic media and the molar absorptivity is 4.84 × 103 l mol–1 cm–1 in the range in which the complex obeys Beer's law (3.02–25.12 µg ml–1 of Mo). The effects of the concentration of reagent, pH, time and temperature were investigated, together with the stoicheiometry of the complex, the reproducibility and precision of the method and its susceptibility to interferences.

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Article information

DOI
https://doi.org/10.1039/AN9871200477
Article type
Paper

Analyst, 1987,112, 477-479

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Determination of molybdenum with gallic acid and hydroxylamine

M. xmlns="http://www.rsc.org/schema/rscart38"> <sup>a</sup> </small>. P. Bermejo-Barrera, J. F. Vazquez-Gonzalez, M. xmlns="http://www.rsc.org/schema/rscart38"> <. C. Pazos-Naveira and F. Bermejo-Martinez, Analyst, 1987, 112, 477 DOI: 10.1039/AN9871200477

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