Analyst, 1998, 123, 1115 - 1119, DOI: 10.1039/a708881g
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Determination of ultratrace rare earth elements in tea by inductively coupled plasma mass spectrometry with microwave digestion and AG50W-x8 cation exchange chromatography
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http://www.rsc.org/Publishing/Journals/AN/article.asp?doi=a708881gAnalyst, 2000, 125, 963 - 988, DOI: 10.1039/a909137h
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Bio-inorganic speciation analysis by hyphenated techniques
Joanna Szpunar
http://www.rsc.org/Publishing/Journals/AN/article.asp?doi=a909137h