ISO 11816-2 | IDF 155-2: 2016 – Milk and milk products – Determination of alkaline phosphatase activity – Part 2: Fluorometric method for cheese
This standard has been withdrawn and replaced by ISO 11816-2 | IDF 155-2: 2024.
ISO 11870 | IDF 152: 2009 – Milk and milk products – Determination of fat content – General guidance on the use of butyrometric methods
This standard gives guidance on: a) existing standardized methods (both reference and butyrometric) for the determination of fat in various milk products; b) the principles underlying any acid-butyrometric analysis and the main operating requirements; c) a validation procedure for a butyrometric method in relation to the relevant reference method.
ISO 13366-1 | IDF 148-1: 2008 / COR 1: 2009 – Milk – Enumeration of somatic cells – Part 1: Microscopic method (Reference method) / Technical Corrigendum 1
This standard specifies a microscopic method (reference method) for the counting of somatic cells in both raw and chemically preserved milk. This standard is applicable for the counting of somatic cells in cows’ milk, provided that the eventually mentioned prerequisites are met. This method is suitable for preparing standard test samples and determining reference method […]
ISO 11868 | IDF 147: 2007 – Heat-treated milk – Determination of lactulose content – Method using high-performance liquid chromatography
This standard specifies a method for the determination of the lactulose content of heated milk, skimmed, partially skimmed or whole milk, by high-performance liquid chromatography, in order to distinguish milk sterilized by ultra-heat treatment (UHT) from in-bottle sterilized milk. The method has been tested over a lactulose content range of 200 mg/l to 1 500 […]
ISO 12080-1 | IDF 142-1: 2009 – Dried skimmed milk – Determination of vitamin A content – Part 1: Colorimetric method
This standard specifies a colorimetric method for the determination of vitamin A in dried skimmed milk containing at least 10 IU (International Units) of vitamin A per gram.
ISO 9622 | IDF 141: 2013 – Milk and liquid milk products – Guidelines for the application of mid-infrared spectrometry
This International Standard gives guidelines for the quantitative compositional analysis of milk and liquid milk products, such as raw milk, processed milk, cream and whey, by measurement of the absorption of mid-infrared radiation. Additional built-in instrument features, such as a conductivity sensor, can improve the performance in the determination of compositional parameters and allow for […]
ISO 9231 | IDF 139: 2008 – Milk and milk products – Determination of the benzoic and sorbic acid contents
This standard specifies a method for the determination of the benzoic and sorbic acid contents in milk and milk products. The method is applicable to milk, dried milk, yogurt and other fermented milks, and cheese and processed cheese, and is suitable for measuring the contents of both compounds at levels of more than 5 mg/kg.
ISO 8967 | IDF 134: 2005 – Dried milk and dried milk products – Determination of bulk density
This standard specifies a method for the determination of the bulk density of dried whole milk, dried partly skimmed milk and dried skimmed milk, whether non-instant or instant. The method is also applicable to dried whey, dried buttermilk and dried milk-based infant food, as well as to any of the dried products indicated above in […]
ISO 8552 | IDF 132: 2004 – Milk – Estimation of psychrotrophic microorganisms – Colony-count technique at 21°C
This standard is now withdrawn and replaced by the horizontal standard ISO 17410 Microbiology of the food chain — Horizontal method for the enumeration of psychrotrophic microorganisms. This Standard has been withdrawn and replaced by ISO 17410: 2019
ISO 8553 | IDF 131: 2004 – Milk – Enumeration of microorganisms – Plate loop technique at 30°C
This standard specifies a method for the enumeration of microorganisms in raw milk by using the plate loop technique at 30 °C