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Standards and fields of application for the measurement of water activity
HACCP, ISO22000, ISO21807, ISO29621, USP1112 … all standards and methods that integrate water activity measurement at the core of the prevention of health risks:
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- European directives require the food industry to use HACCP plans (Hazard Analysis Critical Control Point). HACCP is a method that, after identifying the hazards of a given food, proposes to control the critical points of the manufacturing process and to put checking processes in place. The activity of water also called Aw, is a critical control point of a HACCP system, an integral part of the ISO22000 food safety management standard.
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- ISO21807 sets out the principles and requirements for measuring water activity of products intended for human consumption and the feeding of animals.
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- ISO29621 focuses on defining the criteria for the microbiological stability of cosmetics.
- In the pharmaceutical sector, water control is a parameter defined by USP method <1112>.
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