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Geochemical Journal
Geochemical Journal An open access journal for geochemistry
Published for geochemistry community from Geochemical Society of Japan.

Measurements of distribution coefficients and barium between carbonate precipitate —Abnormally high values of distribution measured at early stages of carbonate of strontium and solution coefficients formation

Yasushi Kitano, Nobuko Kanamori, Tamotsu Oomori
Geochemical Journal, Vol. 4, No. 4, P. 183-206, 1971


The distribution coefficients of Sr and Ba were measured when Mg-poor calcite, Mg-rich calcite or aragonite was precipitated in the calcium bicarbonate solutions containing strontium or barium in trace amounts, MgCl2, NaCl and/or Na-citrate. The abnormally high values of the distribution coefficients were observed very often at the early stages of carbonate precipitation. The conditions, under which such high values are measured, are investigated. And the use of distribution coefficients measured in the laboratory for interpretation of the trace element contents of marine carbonate skeletons is discussed.

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