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Accurate Determination of Zinc and Lead in Silicate Rocks by Means of Cation Exchange Chromatography and Atomic Absorption Spectrometry
Author(s) -
VICTOR A.H.,
STRELOW F.W.E.
Publication year - 1980
Publication title -
geostandards newsletter
Language(s) - English
Resource type - Journals
eISSN - 1751-908X
pISSN - 0150-5505
DOI - 10.1111/j.1751-908x.1980.tb00288.x
Subject(s) - atomic absorption spectroscopy , zinc , chemistry , ion chromatography , ion exchange , silicate , analytical chemistry (journal) , matrix (chemical analysis) , acetone , absorption (acoustics) , lead (geology) , mass spectrometry , column chromatography , acetylene , inorganic chemistry , ion , chromatography , materials science , organic chemistry , geology , physics , quantum mechanics , composite material , geomorphology
Zinc and lead in the six S.A. NIMROC Standards and in DTS‐1 and PCC‐1 have been determined accurately by means of atomic absorption spectrometry. A selective ion exchange separation procedure, using AG5OW‐X8 cation exchange resin and 0.5 M HCl ‐ 60% acetone as eluent, has been employed to separate zinc and lead from the matrix elements. To increase the sensitivity of lead, a slotted stainless steel tube, which is positioned on top of the air‐acetylene burner head, has been used during atomic absorption measurements. The accuracy and precision of the described method is demonstrated by the analysis of synthetic mixtures containing various amounts of zinc and lead as well as major rock‐forming elements.