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单词 chromatogram
释义 chromatogram Chem.|krəʊˈmætəʊgræm|
[ad. G. chromatogramm (M. Tswett 1906, in Ber. d. Deut. Bot. Ges. XXIV. 322): see -gram.]
The result of a chromatographic separation: either a series of (coloured) bands or spots in liquid chromatography or a graphical record from a gas chromatograph.
1922L. S. Palmer Carotinoids ii. 43 The resulting chromatogram (as Tswett proposed to call it) presented a most surprising picture of the chloroplastid pigments.1940Thorpe's Dict. Appl. Chem. IV. 174/2 In making a chromatogram, i.e. zones of separated colouring matters..advantage is taken of the differential adsorption which occurs when a solution of several dyes is allowed to drop on to a column of adsorbent.1949Abraham & Heatley in H. W. Florey Antibiotics I. ii. 107 Two-dimensional chromatograms were obtained by first running a developing solvent in one direction and then a second developing solvent in a direction at right angles to the first.1952James & Martin in Biochem. Jrnl. L. 679/1 Phillips..and Turkel'taub..have used charcoal in gas chromatograms for the analysis of hydrocarbons and esters.Ibid., Martin & Synge..suggested the use of gas-liquid chromatograms for analytical purposes.1955Sci. News Let. 23 Apr. 265/2 The mushrooms are minced, and after alcohol extraction and evaporation, a chromatogram on filter paper is prepared from the residue.1962Lancet 29 Dec. 1346/2 Plasma-sugar chromatograms revealed lactose in every sample throughout the test period.1965New Scientist 11 Nov. 395/1 The scanning of radio-actively labelled chromatograms with Geiger counters.
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