CAC/GL 28-1995 International Harmonized Protocol for the Proficiency Testing of (Chemical) Analytical Laboratories
The following Protocols and Guidelines have been adopted by the Codex Alimentarius Commission by reference for quality assurance of food control laboratories:
· “International Harmonized Protocol for the Proficiency Testing of (Chemical) Analytical Laboratories”, Pure & Appl. Chem., 65 (1993) 2132-2144 and J. AOAC International, 76 (1993) 926-940;
· “Protocol for the Design, Conduct and Interpretation of Method Performance Studies”, Pure & Appl. Chem., 67 (1995) 331-343; and
· “Harmonized Guidelines for Internal Quality Control in Analytical Chemistry Laboratories”, Pure & Appl. Chem., 67 (1995) 649-666.