Recommendation on mean molar activity coefficients and single ion activity coefficients of solutions for calibration of ion-selective electrodes for sodium, potassium and calcium determination

European Journal of Clinical Chemistry and Clinical Biochemistry

Volumn 35, Issue 4, 1997, Pages 345-349

  Burnett, Robert W ^a,b   Covington, Arthur K ^a,b  

^a HARTFORD HOSPITAL   (United States)

^b NONE   (Netherlands)

Author keywords

[No Author keywords available]

Indexed keywords

CALCIUM; ELECTROLYTE; POTASSIUM; SODIUM; ION;

ARTICLE; CALCIUM ELECTRODE; CALIBRATION; CLINICAL CHEMISTRY; FLAME PHOTOMETRY; HYDRATION; ION SELECTIVE ELECTRODE; POTASSIUM ELECTRODE; PRIORITY JOURNAL; SODIUM ELECTRODE; SOLUTION AND SOLUBILITY; ELECTRODE; HUMAN; INTERNATIONAL COOPERATION; STANDARD;

CALCIUM; CHEMISTRY, CLINICAL; ELECTRODES; ELECTROLYTES; HUMANS; INTERNATIONAL AGENCIES; IONS; POTASSIUM; SODIUM; SOLUTIONS;

EID: 0031112985     PISSN: 09394974     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (13)

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2. 1b. Maas AHJ, Siggaard-Andersen O, Weisberg HF, Zijlstra WG. Ion-selective electrodes for sodium and potassium; a new problem of what is measured and what is reported. Clin Chem 1985; 31:482-5.
3. IFCC SD Working Group on Selective Electrodes. Recommendations for measurement of sodium and potassium in undiluted serum, plasma and whole blood by ion-selective electrodes. In preparation.
4. IFCC SD Working Group on Ion-Selective Electrodes. Reference method for the determination of ionized calcium in serum, plasma and whole blood. In preparation.
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9. Pitzer KS. Theory: ion interaction approach. In: Pytkovitz RM, editor. Activity coefficients in electrolyte solutions. CRC Press, Boca Raton, Florida 1979:157-208.
10. Covington AK, Ferra MIA. Calculation of single ion activities in solutions simulating blood plasma. Scand J Clin Lab Invest 1.989; 49:667-75.
11. Siggaard-Andersen O, Durst RA, Maas AHJ. Approved Recommendation: Physicochemical quantities and units in clinical chemistry with special emphasis on activities and activity coefficients. J Clin Chem Clin Biochem 1987; 25:369-91.
12. Bates RG. Determination of pH. Theory and practice. Second edn. Wiley, New York. 1973:39.
13. Covington AK, Kataky R, Flear CTG. In: Burritt MF, Cormier AD, Maas AHJ, Moran RF, O'Connell KM, editors. Simultaneous determination of sodium, potassium and calcium in blood plasma by ISEs using 3-function calibration solutions. Effect of saline and bicarbonate additions and comparison with commercial instruments. Methodology and clinical applications of ion-selective electrodes. AACC/IFCC Workshop, Danvers 1988:9-20.