Statistical Distribution of and Correlation among the Concentration of Trace Metals in Whole Blood as Determined by Atomic Absorption Spectrometry

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  • MISHIMA Masao
    Department of Industrial Health, The Institute of Public Health

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  • 血中金属の分布
  • ケッチュウ キンゾク ノ ブンプ

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About 350 blood samples were taken from the only adult s in healthy condition representing three regional populations Tokyo, Okinawa and New York. The statistical distribution of analytical values of various trace metals and regressi on line between zinc and magnesium in whole blood of human beings were investigated through the det ermination of 7 elements (Cd, C u, Fe, Mg, Pb and Zn) by means of atomic absorption s pectrometry with flame and flameless systems.<BR>Statistical distribution data obtained by the quantitative atomi c absorption analysis showed an approximate “normal” or “log-normal” distribution both for “essential” and “nonessential”trace metals. Further, high correlation coefficients were obtained between magnesium and zinc. r = 0.393***, n = 142<BR>This paper re vealed the levels of and relationships among the concentrations of trace metals i n human blood and the results may be used as one of a base line for the similar investigations.

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