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    STUDIA CHEMIA - Issue no. 3,%20Tom%20II / 2016  
         
  Article:   REVISED RARE EARTH ELEMENTS COMPOSITION OF MOCS METEORITE USING HR-ICP-MS AND ICP-QMS ANALYSIS.

Authors:  CLAUDIU TĂNĂSELIA, OANA CADAR, MARA CÂMPEANU, CONSTANTIN BALICA, THOMAS DIPPONG. 		 
       
         
  Abstract:  Rare earth elements composition of Mocs meteorite was analyzed using two inductively coupled plasma mass spectrometry methods: a quadrupole and a single-detector sector-field high-resolution instrument. The obtained results are in good agreement with previous studies found in literature for both Mocs and chondritic materials analysis regarding REE composition. Allende meteorite reference material was used for calibration. Sample preparation for ICP-MS analysis was carried out following a custom protocol derived from the literature: the samples were finely ground, then treated in a multi-step procedure [1]. A mix of hydrofluoric acid, nitric acid and perchloric acid was used to digest the sample, which was finally dissolved in nitric acid and diluted accordingly, before being measured directly by ICP-MS instruments. Mocs samples were made available from Museum of Mineralogy, Babeș-Bolyai University Cluj-Napoca and Allende meteorite reference sample was provided by Smithsonian Institution (split 7, position 17) [2].

Keywords: HR-ICP-MS, ICP-QMS, meteorite, chondrite, Mocs, REE
 
         
     
         
         
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