Collaborative trials of the sampling of two foodstuffs, wheat and green coffee by Michael Thompson and others

Analyst127(5),689–691(2002), DOI10.1039/b200922f. Primary indexed byline Michael Thompson, Paul Willetts, Sharron Anderson, Paul Brereton and Roger Wood. Abstract: multiple samplers collected wheat and green coffee; significant between-sampler variation for two wheat analytes, no significant sampling-reproducibility variation for coffee but significant sampling-repeatability variation.