RT Journal Article SR Electronic T1 Trace Elements in Must and Wine: Primary and Secondary Contents JF American Journal of Enology and Viticulture JO Am J Enol Vitic. FD American Society for Enology and Viticulture SP 226 OP 230 DO 10.5344/ajev.1982.33.4.226 VO 33 IS 4 A1 H. Eschnauer YR 1982 UL http://www.ajevonline.org/content/33/4/226.abstract AB The most modern analytical methods were used to determine trace element concentrations in mostly German wines of various vineyards, grapes, and vintages.The concentrations of the toxic metals lead, cadmium, arsenic, and mercury have been decreasing steadily since 1960, whereas the concentrations of chromium and nickel have been increasing. The reasons for this are discussed, and sources of contamination are identified.