test sample

The sample, prepared from the @[email protected], from which @[email protected] are removed for testing or for analysis.
PAC, 1990, 62, 1193. (Nomenclature for sampling in analytical chemistry (Recommendations 1990)) on page 1206 [Terms] [Paper]
See also:
PAC, 1988, 60, 1461. (Nomenclature, symbols, units and their usage in spectrochemical analysis-X. Preparation of materials for analytical atomic spectroscopy and other related techniques (Recommendations 1988)) on page 1465 [Terms] [Paper]