Division 2 The sample shall be analysed in a laboratory that participates in appropriate proficiency testing schemes (which comply with the ‘International Harmonised Protocol for the Proficiency Testing of (Chemical) Analytical Laboratories’ developed under the auspices of IUPAC/ISO/AOAC) and uses approved analytical methods for detection and quantification. Laboratories shall be able to demonstrate that they have internal quality control procedures in place. Examples of these are the ‘ISO/AOAC/IUPAC Guidelines on Internal Quality Control in Analytical Chemistry Laboratories’.
United Kingdom
Wherever possible the trueness of analysis shall be estimated by including suitable certified reference materials in the analysis.
Annotations
Footnotes
- f1
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M. Thompson et al, Pure and Applied Chemistry, 2006, 78, pp. 145-196.
- f2
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Edited by M. Thompson and R. Wood, Pure and Applied Chemistry, 1995, 67, pp. 649-666.