in-house reference material

synonym: laboratory reference material
https://doi.org/10.1351/goldbook.08079
Reference material produced and used by an analytical laboratory.
Notes:
  1. The preparation, characterization, and use of in-house reference materials for quality control purposes are described in ISO Guide 80.
  2. Various terms are used to distinguish among reference materials intended for different uses and with assigned values established applying different procedures.
See also: conventional quantity value, property value assignment
Source:
PAC, 2021, 93, 997. 'Metrological and quality concepts in analytical chemistry (IUPAC Recommendations 2021)' on page 1027 (https://doi.org/10.1515/pac-2019-0819)