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Original Article

Inadequate algorithm: a cause for ‘incorrect pH 7.40 correction’ in ionized calcium analysers

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Pages 561-565 | Received 10 Oct 1988, Accepted 04 Feb 1989, Published online: 08 Jul 2009

References

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  • Fogh-Andersen N. Ionized calcium analyzer with a built-in pH correction. Clin Chem 1981; 27: 1264–7
  • Sachs C, Chaneac M, Rabouine P, Kindermans C, Falch-Christiansen T (1988) Effects of physiopatho-logical variations of some calcium ligands on the pH standardisation of ionized calcium measurements in blood. Methodology and Clinical Applications of Ion-Selective Electrodes (Proceedings of the International Symposium on the measurement of blood electrolytes–Ninth Meeting of the EWGISE, DanversUSA, Sept, 1987, M F Burritt, K M O'Connell. Davies Printing Company, Rochester, MNUSA, 9: 146–52
  • Sachs C, Chaneac M, Rabouine P, Kindermans C (1988) Effects of calcium ligands on the pH standardization of ionized calcium measurements in blood: a theoretical approach. Methodology and Clinical Applications of Ion-Selective Electrodes (Proceedings of the International Symposium on the measurement of blood electrolytes–Ninth Meeting of the EWGISE, DanversUSA, Sept, 1987, M F Burritt, K M O'Connell. Davies Printing Company, Rochester, MNUSA, 9: 228–32
  • Buckley C, Rawson K M, Russel L, Smith S CH (1988) The influence of protein concentration on the mathematical adjustment of ionized calcium concentration for pH. Methodology and Clinical Applications of Ion-Selective Electrodes (Proceedings of the International Symposium on the measurement of blood electrolytes–Ninth Meeting of the EWGISE), DanversUSA, Sept, 1987, M F Burritt, K M O'Connell. Davies Printing Company, Rochester, MNUSA, 9: 121–30
  • Radiometer ICA-2. Ionized calcium analyser: user's handbook. Radiometer (Private press), Copenhagen 1987; 82–5
  • Sachs C, Chaneac M, Rabouine P, Kindermans C, Dechaux M (1989) Effective pH sensitive calcium-binding capacity: preanalytical and analytical variation factors. Methodology and Clinical Applications of Ion-Selective Electrodes. Proceedings of the Tenth Meeting of EWGISE, StresaItaly, September, 1988, A HJ Maas, B Buckley, A Manzoni, R F Moran, O Siggard-Anderson, R Sprockholt. Private press, Copenhagen, 10: 75–84

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