单词 | chromatogram |
释义 | chromatogramn. Chemistry. 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. ΘΚΠ the world > matter > chemistry > chemical assay or analytical chemistry > [noun] > acetimetry > chromatography > record of phase diagram1908 chromatogram1922 polarogram1925 paper chromatogram1944 partition chromatogram1944 gas chromatogram1952 1922 L. S. Palmer Carotinoids ii. 43 The resulting chromatogram (as Tswett proposed to call it) presented a most surprising picture of the chloroplastid pigments. 1940 Thorpe'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. 1949 Abraham & 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. 1952 James & Martin in Biochem. Jrnl. L. 679/1 Phillips..and Turkel'taub..have used charcoal in gas chromatograms for the analysis of hydrocarbons and esters. 1952 James & Martin in Biochem. Jrnl. L. 679/1 Martin & Synge..suggested the use of gas-liquid chromatograms for analytical purposes. 1955 Sci. 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. 1962 Lancet 29 Dec. 1346/2 Plasma-sugar chromatograms revealed lactose in every sample throughout the test period. 1965 New Scientist 11 Nov. 395/1 The scanning of radio-actively labelled chromatograms with Geiger counters. This entry has not yet been fully updated (first published 1972; most recently modified version published online September 2018). < n.1922 |
随便看 |
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。