in-laboratory processing 

in analytical chemistry
https://doi.org/10.1351/goldbook.I03045
The selection, removal and preparation of the test (or analytical) portions from the laboratory sample. The processing may include a reduction in the size of the unit(s) (division) and particle size (reduction), as well as mixing to achieve homogeneity.
Source:
PAC, 1990, 62, 1193. (Nomenclature for sampling in analytical chemistry (Recommendations 1990)) on page 1204 [Terms] [Paper]
Citation: 'in-laboratory processing' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.I03045 RIS BibTex EndNote
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Last revised: February 24, 2014