The molybdenum blue reaction for the determination of orthophosphate revisited: Opening the black box

Analytica Chimica Acta
Edward A NagulSpas D Kolev

Abstract

The molybdenum blue reaction, used predominantly for the determination of orthophosphate in environmental waters, has been perpetually modified and re-optimised over the years, but this important reaction in analytical chemistry is usually treated as something of a 'black box' in the analytical literature. A large number of papers describe a wide variety of reaction conditions and apparently different products (as determined by UV-visible spectroscopy) but a discussion of the chemistry underlying this behaviour is often addressed superficially or not at all. This review aims to rationalise the findings of the many 'optimised' molybdenum blue methods in the literature, mainly for environmental waters, in terms of the underlying polyoxometallate chemistry and offers suggestions for the further enhancement of this time-honoured analytical reaction.

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Citations

Apr 6, 2016·Analytica Chimica Acta·Paul WorsfoldPhil Monbet
May 3, 2016·Journal of Pharmaceutical and Biomedical Analysis·Michał MichalecRobert Koncki
Sep 23, 2016·Environmental Science and Pollution Research International·R VeraE Anticó
Jan 26, 2018·Journal of the Science of Food and Agriculture·Sevinç KaradağMustafa Doğu
Jun 16, 2018·Chemistry : a European Journal·Fatih SirindilPierre de Frémont
Jun 12, 2020·Analytical Sciences : the International Journal of the Japan Society for Analytical Chemistry·Tadaharu Ueda
Jun 27, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Yuki TakahashiItaru Honma
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Feb 20, 2020·Environmental Monitoring and Assessment·Gary R FonesGraham A Mills
Nov 12, 2016·Frontiers in Microbiology·Trista J Vick-MajorsUNKNOWN WISSARD Science Team
Oct 8, 2020·Environmental Science and Pollution Research International·Doina Humelnicu, Ecaterina Stela Dragan
Oct 31, 2018·ACS Sensors·Suphasinee SateanchokEric Bakker
Oct 16, 2020·The Journal of Biological Chemistry·Isabella M AcquistapaceAndrew M Hemmings
Nov 10, 2020·Applications in Plant Sciences·Sompop PinitJuthamas Chaiwanon
Jan 6, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Gregor Marolt, Mitja Kolar
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May 1, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Alexander A BaykovAnssi M Malinen
Dec 10, 2016·Inorganic Chemistry·Fateme Akhlaghi BagherjeriColette Boskovic

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