ORCID
- Worsfold, Paul: 0000-0002-2262-7723
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.
DOI
10.1016/j.aca.2015.07.030
Publication Date
2015-08-26
Publication Title
Analytica Chimica Acta
Volume
890
ISSN
0003-2670
Embargo Period
2017-08-26
Organisational Unit
School of Geography, Earth and Environmental Sciences
Keywords
Molybdenum blue reaction, Orthophosphate, Dissolved reactive phosphorus, Phosphomolybdate
First Page
60
Last Page
82
Recommended Citation
Nagul, E. A., McKelvie, I., Worsfold, P., & Kolev, S. (2015) 'The molybdenum blue reaction for the determination of orthophosphate revisited: Opening the black box', Analytica Chimica Acta, 890, pp. 60-82. Available at: https://doi.org/10.1016/j.aca.2015.07.030
