Norio KANEKO
An assay of a very small amount of heavy metal in the soil
Kazumasa MATUSHITA
It is the present conditions that data of the soil around our living environment is not so known.
””In this study, the soil in some places in our living environment was gathered , and substance quantity was grasped .
The soil included, Si, Al, Fe, Ca, K, Ti, Mn mainly. Compared with the number of Clark , more Fe and less Ca , K are included in the soil of Nagaoka city.
””Fluorescence X-rays analysis (XRF) was not able to analyze a very small amount of heavy metal to be included in the soil. ICP emission spectrometry and ICP mass spectrometry are necessary to analyze a very small amount of heavy metal.
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