Regmi P, Malla B, Gyawali P, Sigdel M, Shrestha R, Shah DS, et al. Product of serum calcium and phosphorus (Ca×PO4) as predictor of cardiovascular disease risk in predialysis patients. Clin Biochem 2014;47:77–81.Web of ScienceCrossrefGoogle Scholar
Bhattarai T, Bhattacharya K, Chaudhuri P, Sengupta P. Correlation of common biochemical markers for bone turnover, serum calcium, and alkaline phosphatase in post-menopausal women. Malays J Med Sci 2014;21:58–61.PubMedGoogle Scholar
Sargent M, Harte R, Harrington C. Guidelines for achieving high accuracy in isotope dilution mass spectrometry (IDMS). RSC Analytical Methods Committee, 2002.Google Scholar
Yan Y, Ge M, Ma R, Zhao H, Wang D, Hu C, et al. A candidate reference method for serum calcium measurement by inductively coupled plasma mass spectrometry. Clin Chim Acta 2016;461:141–5.CrossrefWeb of SciencePubMedGoogle Scholar
Li S, Wang J. Measurement of Calcium in Human Serum by Dynamic Reaction Cell and Two-way ID–ICP–MS. Chemical Analysis and Meterage, Vol. 24, No. 5, Sept. 2015.Google Scholar
Zou B, Zou J, Shen M, Zhang M, Wu L, Tu M. Establishment of reference measurement procedures for serum electrolytes based on ion chromatography. Lab Med 2015;30:1250–56.Google Scholar
Kramer U, Kress M, Reinauer H, Spannagl M, Kaiser P. Candidate reference measurement procedures for chloride, potassium, sodium, calcium, magnesium, and lithium by inductively coupled plasma (isotope dilution) sector field mass spectrometry (ICP-(ID) SFMS) in serum. Clin Lab 2013;59:1017–29.PubMedWeb of ScienceGoogle Scholar
Stürup S, Hansen M, Mølgaard C. Measurement of 44Ca:43Ca and 42Ca:43Ca isotopic ratios in urine using high resolution inductively coupled plasma mass spectrometry. J Anal At Spectrom 1997;12:919–923.CrossrefGoogle Scholar
Simpson LA, Hearn R, Merson S, Catterick T. A comparison of double-focusing sector field ICP-MS, ICP-OES and octopole collision cell ICP-MS for the high-accuracy determination of calcium in human serum. Talanta 2005;65:900–6.PubMedCrossrefGoogle Scholar
Murphy KE, Long SE. The accurate determination of potassium and calcium using isotope dilution inductively coupled ‘cold’ plasma mass spectrometry. J Anal At Spectrom 2002;17:469–77.CrossrefGoogle Scholar
Röhker K, Rienitz O, Schiel D. Ion chromatographic precision measurement procedure for electrolytes in human serum: validation with the aid of primary measurement procedures. Accredit Qual Assur 2004;9:671–7.CrossrefGoogle Scholar
About the article
Published Online: 2017-07-12
Published in Print: 2017-11-27
Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: National High Technology Research and Development Program of China: 2011AA01A102, 2011AA02A116.
Employment or leadership: None declared.
Honorarium: None declared.
Competing interests: The funding organization(s) played no role in the study design; in the collection, analysis, and interpretation of data; in the writing of the report; or in the decision to submit the report for publication.