ISO 24223 | IDF 253: 2021 Cheese - Guidance on sample preparation for physical and chemical testingThis document gives guidance on the sample preparation of fresh cheese, (semi) soft cheese, (semi) hard cheese, processed cheese and whey cheese for physical and chemical analysis, including analysis by applying instrumental methods. This document describes the (sub)sampling, and sample preparation steps carried out after sampling according to ISO 707 IDF 50 and prior to method specific sample preparations, e. g. as with analytical methods listed in