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Simultaneous determination of total calcium and phosphorus in milk using flow-injection analysis

✍ Scribed by Telis Dimitrakopoulos; John R. Farrell; Peter J. Iles

Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
143 KB
Volume
10
Category
Article
ISSN
0895-7533

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✦ Synopsis

The design, development, and testing of a flow-injection analysis (FIA) manifold for the simultaneous determination of two species in milk samples is reported. Calcium is determined potentiometrically, and, following on-line sample treatment, spectrophotometric analysis of phosphorus is performed. Results obtained are consistent with manufacturers' estimates and, in the case of calcium, with atomic spectrophotometric measurements. The combination FIA system is a rapid, low-cost, highly reproducible method that uses small sample volumes and could be used to provide on-site near-real-time measurements.

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