Revised Standard from Last Update.

1. SCOPE

This standard prescribes the requirements and the method of test for edible lactose. It does not cover lactose used in pharmaceutical formulations.

2. REFERENCES

The following standards listed below contain provisions which, through reference in this text, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below:

460 (Part 1) : 2020 Specification for test sieves: Part 1 Wire cloth test sieves (fourth revision)

1070 : 1992 Reagent grade water - Specification (third revision)

1479 (Part 2) : 1961 Methods of test for dairy industry: Part 2 Chemical analysis of milk

2491 : 2013 Food hygiene - General principles - Code of practice (third revision)

5401 (Part 1) : 2012/ISO 4832 : 2006 Microbiology - General guidance for enumeration of coliforms: Part 1 Colony count technique (second revision)

5403 : 1999 Method for yeast and mould count of foodstuffs (first revision)

5887 Methods for detection of bacteria responsible for food poisoning

(Part 1 : 1976) Isolation, identification and enumeration of Escherichia coli (first Revision)

(Part 2) : 1976 Isolation, identification and enumeration of Staphylococcus aureus and faecal streptococci (first revision)

(Part 3) : 1999 General guidance on methods for the detection of Salmonella (second revision)

(Part 4) : 1999 Isolation, and identification of Clostridium perfringens, Clostridium welchii and Clostridium botulinum and enumeration of Clostridium perfringens (second revision)

10171 : 1999 Guide on suitability of plastics for food packaging (second revision)

11078 : 2012 Round open top sanitary cans for milk powder - Specification (second revision)

11124 : 1984 Method for atomic absorption spectrophotometric determination of arsenic

12074 : 1987 Method for determination of lead by atomic absorption spectrophotometer

13500 : 1992 Spray dried milk powders - Scorched particles - Determination

14988 (Part 1) : 2020/ISO 11290-1 : 2017 Microbiology of food and feeding stuffs - Horizontal method for detection and enumeration of Listeria monocytogenes: Part 1 Detection method (first revision)

15279 : 2003 Sugar and sugar products - Methods of test

5402 (Part 1) : 2021/ISO 4833-1 : 2013 Microbiology of the food chain - Horizontal method for the enumeration of microorganisms: Part 1 Colony count at 30 °C by the pour plate technique (third revision)

ISO 12779 : 2011 Lactose - Determination of water content - Karl Fischer method

ISO 15213 : 2003 Microbiology of food and animal feeding stuffs - Horizontal method for the enumeration of sulfite reducing bacteria growing under anaerobic conditions

ISO 22662 : 2007 Milk and milk products - Determination of lactose content by high performance liquid chromatography (Reference method)

ISO 26462 : 2010 Milk - Determination of lactose content - Enzymatic method using difference in pH