Titlebook: Analysis of Solids in Natural Waters; Thomas R. Crompton Book 1996 Springer-Verlag Berlin Heidelberg 1996 Umweltindikatioren.Wasseranalyse

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catagen

Introduction,en, phosphorus, sulphur etc), organometallic compounds and organic substances. The types of procedures used to determine each of these groups of substances in environmental sediment and living solid matter derived from water are discussed below under separate headings.

Gudgeon

River and Stream Sediments,y is easily leached from the sediment under anaerobic conditions but not under aerobic conditions. When the sediments were incubated anaerobically, there was evidence of the release of volatile sulphur compounds.

Monotonous

Lake and Pond Sediments,is chapter have been specifically applied to lake and pond sediments, and are grouped together here for convenience. Many methods specifically designed for lake sediment analysis take account of the fact that such samples contain higher concentrations of sulphide than do river sediments.

STEER

绝种

Lacustrine Sediments,carbons in lacustrine sediments. The author reports a comparison, using standard oils, of conventional fluorescence emission spectra and spectra produced by synchronously scanning both excitation and emission monochromators.

Thrombolysis

Fish,n of arsenic in marine sediments, has also been applied to the determination of arsenic in fish. The sample is first digested with a mixture of nitric, sulphuric and perchloric acids. Spiked samples of crayfish gave a 98–100 % recovery of arsenic by this procedure.

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颂扬国家

homocysteine