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- aggregation classification "A1".
- aggregation creator B378852.
- aggregation creator person.
- aggregation creator person.
- aggregation creator person.
- aggregation date "2012".
- aggregation format "application/pdf".
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- aggregation isPartOf urn:issn:0267-9477.
- aggregation language "eng".
- aggregation rights "I have transferred the copyright for this publication to the publisher".
- aggregation subject "Chemistry".
- aggregation title "Investigation of natural isotopic variation of Sb in stibnite ores via multi-collector ICP-mass spectrometry: perspectives for Sb isotopic analysis of Roman glass".
- aggregation abstract "Natural variation in the isotopic composition of Sb in stibnites (Sb ores) was explored using multi-collector ICP-mass spectrometry (MC-ICP-MS). A method for isolating Sb (after acid digestion) without introducing artificial mass fractionation was developed, based on the use of a combination of cation exchange chromatography using Dowex AG50-X8 resin and anion exchange chromatography using Amberlite IRA 743 resin. For pure stibnites (Sb2S3), Sb isolation is not strictly required as at a 2 : 3 Sb : S molar ratio, it was demonstrated that the concomitant S does not affect the Sb-123/Sb-121 isotope ratio result. However, the method can be deployed for other Sb ore types with a lower Sb : S ratio and for samples with lower purity. Indium was used as an internal standard for correction of the instrument-induced mass discrimination occurring in the MC-ICP-MS instrument. The Sb-123/Sb-121 ratio could be measured with 0.002% repeatability (internal precision), while for the samples the (123)epsilon values were characterized by an uncertainty of 1 epsilon unit. The isotopic composition of the selected materials (stibnites from various regions of the world) shows a variation spanning 10 3 units (or 0.1%). The method developed shows potential to be used in provenance determination studies of ancient glass.".
- aggregation authorList BK684520.
- aggregation endPage "1310".
- aggregation issue "8".
- aggregation startPage "1304".
- aggregation volume "27".
- aggregation aggregates 3106600.
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