“extractant”的英文意思_释义_用法

单词

extractant

释义

extractant, n.|ɛkˈstræktənt|
[f. extract v. + -ant¹.]
An extracting solvent.
1938A. D. Whitehead tr. Jordan's Technol. Solvents v. 93 In the extraction of the ethereal oils the problem may be somewhat more difficult, since the oils themselves are volatile, and frequently form azeotropic mixtures with the extractant.1952Soil Sci. LXXIII. 341 (heading) Use of dithizone as an extractant to estimate the zinc nutrient status of soils.1968Proc. Soil Sci. Soc. Amer. XXXII. 545 The dilute acid extractant routinely used in soil test procedures..gave the best indication of available Zn in the soil.1982Jrnl. Appl. Ecol. XIX. 579 The amounts of six phenolic compounds..released by four extractants, differed considerably between soils from fourteen plots.

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