We’ve all been there. You take a series of grain samples at home, get them tested, and market the crop accordingly. Three lorry loads go off without a problem, and then there’s a rejection or a claim ...

Understanding the differences between convenience, target, and self-selected samples. Representative samples and sampling are addressed multiple times in the cGMPs. For example, in Part 21 of the Code ...

Last year’s poor wheat quality raised questions on the accuracy of cereal sampling and testing. With harvest approaching, NFU chief arable adviser Guy Gagen outlines how it should happen. Last year’s ...

Modern analytical methods are extremely sensitive and capable of detecting minute quantities of compounds in the aliquots they analyse. However, this may be of limited or even no practical use if the ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Representative and random sampling help ...