| 释义 |
polarogram Chem.|pəʊˈlɑːrəʊ-, ˈpəʊlərəʊgræm|
[f. as next + -gram.]
A graphical record of current against voltage produced by a polarograph (see next).
1925Heyrovský & Shikata in Recueil Travaux Chimiques Pays-Bas XLIV. 496 The authors have set up a photographic auto-registering machine, which..records the polarisation curves, giving such ‘polarograms’ in less than 20 minutes. 1946Nature 20 July 96/1 If several elements can be isolated simultaneously, there is the possibility of estimating them in a single polarogram. 1968Pecsok & Shields Mod. Methods Chem. Analysis xiv. 339 The steps in the polarogram are called ‘polarographic waves’. 1974S. E. Allen Chem. Analysis Ecological Materials 398 If poor quality polarograms are produced even after passing nitrogen further bubbling may improve the display. |