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The Application of a [nitrogen-argon] N2-Ar Medium-power ICP and Cation-exchange Chromatography for the Spectrometric Determination of the Rare-earth Elements in Geological Materials

EA. Jones

出版	Mintek, 1984
URL	http://books.google.com.hk/books?id=5hTojgEACAAJ&hl=&source=gbs_api

註釋

Trace and minor contents of the lanthanides are determined in geological materials by an ion-exchange-inductively coupled plasma spectrometric procedure. Destruction of the mineralogical matrix is accomplished by fusion with potassium bifluoride followed by separation of the rare earths by cation-exchange chromatography using Biorad 50W-8X ion-exchange resin. The rare earths are determined quantitatively by introduction into a medium-power N2-Ar ICP coupled to a 3.4 m Ebert spectrograph. Rare-earth data for a wide range of reference materials, including new reference silicate, carbonate and phosphate rocks from Mintek, South Africa, exhibit relatively good agreement with the quoted values.