mixing

in analytical chemistry
https://doi.org/10.1351/goldbook.M03945
The combining of components, particles or layers into a more homogeneous state. The mixing may be achieved manually or mechanically by shifting the material with stirrers or pumps or by revolving or shaking the container. The process must not permit @[email protected] of particles of different size or properties. @[email protected] may be considered to have been achieved in a practical sense when the @[email protected] of the processed portion is negligible compared to the total error of the @[email protected] system.
Source:
PAC, 1990, 62, 1193. (Nomenclature for sampling in analytical chemistry (Recommendations 1990)) on page 1204 [Terms] [Paper]