The effect of temperature on plasma ionized calcium measured in whole blood in vitro
- 1 January 1983
- journal article
- research article
- Published by Taylor & Francis in Scandinavian Journal of Clinical and Laboratory Investigation
- Vol. 43 (8) , 709-714
- https://doi.org/10.3109/00365518309168853
Abstract
Plasma calcium ion concentration (cCa2+) in samples from 50 healthy volunteers was measured at four temperatures (21, 26, 31 and 37°C) using a calcium electrode based on a neutral carrier ligand. A small negative correlation was found between temperature and cCa2+, the coefficient being −0.0017 mmol·l−1·°C−1 (PcCa2+ of overnight storage at 4°C was slight, but did increase the variance of the results. It is suggested that the most accurate results of cCa2+ will be obtained from fresh samples measured at body temperature.Keywords
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