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Vol. 33 No. 4
July-August 2011

Making an imPACt | Recent IUPAC technical reports and recommendations that affect the many fields of pure and applied chemistry.
See also www.iupac.org/publications/pac

Mechanisms of Chemical Generation of Volatile Hydrides for Trace Element Determination (IUPAC Technical Report)
Alessandro D’Ulivo, et al.
Pure and Applied Chemistry, 2011
Vol. 83, No. 6, pp. 1283–1340

Aqueous-phase chemical generation of volatile hydrides (CHG) by derivatization with borane complexes is one of the most powerful and widely employed methods for determination and speciation analysis of trace and ultratrace elements (viz. Ge, Sn, Pb, As, Sb, Bi, Se, Te, Hg, Cd, and, more recently, several transition and noble metals) when coupled with atomic and mass spectrometric detection techniques. Analytical CHG is still dominated by erroneous concepts, which have been disseminated and consolidated within the analytical scientific community over the course of many years. Thus, the overall approach to CHG has remained completely empirical, which hinders possibilities for further development. This report is focused on the rationalization and clarification of fundamental aspects related to CHG.

http://dx.doi.org/10.1351/PAC-REP-09-10-03


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