combined sample

https://doi.org/10.1351/goldbook.C01185
A sample obtained by removing specific fractions by separation or selection techniques (e.g. heavy liquid, magnetic, sieving, etc.), analysing the fractions separately, and combining the results mathematically. When not combined, the sample is a @M03964@. This term should not be confused with @C01212@.
Source:
PAC, 1990, 62, 1193. (Nomenclature for sampling in analytical chemistry (Recommendations 1990)) on page 1204 [Terms] [Paper]
Citation: 'combined sample' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.C01185 RIS BibTex EndNote
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Last revised: February 24, 2014