subfractionationn.
/ˌsʌbfrakʃəˈneɪʃn/, U.S. /ˌsəbfrækʃəˈneɪʃ(ə)n/ Chemistry and Biochemistry.
The action or process of separating a fraction (fraction n. 7) into further fractions by fractionation.
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subfractionation1926
1926 Proc. Royal Soc. B. 99 482 This again was obviously a mixture, and a method of subfractionation was found.
1955 Biochem. Jrnl. 60 615/1 This subfractionation has not brought to light any enzymic heterogeneity in the granules.
2005 J. G. Speight Handbk. Coal Anal. x. 190 To accomplish the subfractionation of the coal extracts, it is preferable to apply..a suite of the standard test methods.
This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022).
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n.1926