A group of chemical elements that are needed in minute quantities for the proper growth, development, and physiology of an organism. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
Trace elements -- Analysis -- Congresses. : New analytical techniques for trace constituents of metallic and metal-bearing ores : a symposium / sponsored by ASTM Committee E-3 on Chemical Analysis of Metals, American Society for Testing and Materials, Chicago, Ill., 24 June 1980 ; Adelina Javier-Son, editor
Trace elements -- Environmental aspects -- Torres Strait. : Torres Strait Baseline Study : pilot study final report, June 1993 : trace metal concentrations in sediments and selected marine biota as indicator organisms and food items in the diet of Torres Strait Islanders and coastal Papuans / Ian J. Dight, William Gladstone
Trace elements in agriculture -- Australia. : Economic measures and the reduction of nutrients from agricultural run-off in waterways : report of the Scoping Study Working Group
Trace elements in the body -- Analysis. : Trace elements in environmental history : proceedings of the symposium held from June 24th to 26th, 1987, at Göttingen / Gisela Grupe and Bernd Herrmann, eds
1988
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Trace elements in the body -- Analysis -- Congresses. : Trace elements in environmental history : proceedings of the symposium held from June 24th to 26th, 1987, at Göttingen / Gisela Grupe and Bernd Herrmann, eds
Trace elements in water -- Measurement. : Prototype apparatus for the collection of a time-integrated water sample for trace heavy metal determination / G.J. Fabris, A. Kilpatrick and K. Smith