clean surface

https://doi.org/10.1351/goldbook.C01099
An experimental surface having no surface contamination observable by means of the used method.
Source:
PAC, 1979, 51, 2243. 'General aspects of trace analytical methods—IV. Recommendations for nomenclature, standard procedures and reporting of experimental data for surface analysis techniques' on page 2247 (https://doi.org/10.1351/pac197951112243)