单词 | radiochemically |
释义 | radiochemicallyadv. Science. By a radiochemical method or process; in terms of radiochemistry. radiochemically pure adj. pure with respect to radioactive contaminants, or other contaminants which may interfere with the use or assay of a radioactive chemical (cf. radiochemical purity n. at radiochemical adj. and n. Compounds). ΘΚΠ the world > matter > chemistry > chemistry as a science > branches of chemistry > [adverb] photochemically1858 physico-chemically1885 stereochemically1890 radiochemically1915 immunochemically1940 cosmochemically1957 mechanochemically1961 topochemically1962 phytochemically1969 stereologically1972 thermochemically- the world > matter > physics > atomic nucleus > measurement of ionizing radiation > [adverb] > by radiochemical method radiochemically1915 1915 F. Soddy Chem. Radio-elem. (ed. 2) i. 44 Another and very important sense [of the term ‘pure’], which may conveniently be termed ‘radio-chemically’ pure. 1923 R. Glazebrook Dict. Appl. Physics IV. 590/1 A product may be prepared ‘radio-chemically’ pure, in which the radio~element may be mixed with a certain amount of inactive matter, but is free from substances chemically analogous to itself. 1943 Q. Rev. Biol. 18 342/2 Between the chemically and spectroscopically detectible elements of the first two groups, and the radiochemically detectible elements, there lies a region of so far undetected elements. 1988 Nature 23 June 753/1 Chemical procedures for the extraction of radiochemically pure phosphorus. 1993 Internat. Jrnl. Radiation Biol. 63 395 Collected excreta samples were analysed radiochemically for their Pu contents. This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022). < |
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