A survey of thermal release profiles of volatile trace metals in meteorites

Computer Science

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Meteoritic Composition, Trace Elements, Volatility, Zinc, Achondrites, Heat Measurement, Orgueil Meteorite, Temperature Distribution

Scientific paper

Flameless atomic absorption techniques are capable of detecting less than a nanogram of volatile trace metals, such as Pb, Cd, and Zn, in submilligram size lunar samples. The thermal release profiles obtained by these techniques make it possible to separate surface volatiles from volatiles incorporated in mineral grains. In the present paper, results obtained for Zn on several types of meteorite are analyzed. The meteorites studied were C1 carbonaceous chondrite Orgueil, C3 carbonaceous chondrite Allende, gas-rich howardite Kapoeta, hypersthene achondrite Johnstown, and medium octahedrite Canyon Diablo.

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