${session.getAttribute("locale")} 5 Provenance determination of rooibos tea using strontium isotope ratio measured by inductively coupled plasma mass spectrometry Mon 19 Aug 2019 09:03:01 SAST ]]> The classification of agricultural products according to geographical origin by means of quadrupole-based ICP-mass spectrometry for the determination of ¹¹B/¹°B isotope ratios, and the study of boron isotope fractionation Fri 15 Sep 2017 22:22:39 SAST ]]> Precise 87Sr/86Sr isotope ratio measurement by quadrupole based ICP-MS after ion exchange separation of Rb for provenance determination of agricultural products Fri 15 Sep 2017 22:21:24 SAST ]]> Multi-element analysis of South African wines and their provenance soils by ICP-MS and their classification according to geographical origin using multivariate statistics Fri 15 Sep 2017 22:16:42 SAST ]]>