GB/T 23490-2009
Determination of water activity in foods (English Version)

Standard No.

GB/T 23490-2009

Language

Chinese, Available in English version

Release Date

2009

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2017-03

Replace By

GB 5009.238-2016

Latest

GB 5009.238-2016

Scope

This standard specifies the water activity in foodstuffs measured by the Kangwei dish diffusion method and the water activity meter diffusion method. This standard is applicable to the determination of water activity of prepackaged cereal products, meat products, aquatic products, bee products, potato products, fruit products, vegetable products, milk powder and solid beverages. This standard does not apply to foods with frozen and volatile ingredients. The range of the water activity of the food in this standard is 0.00-0.98 for the Conveyer dish diffusion method; 0.60-0.90 for the water activity meter diffusion method.

GB/T 23490-2009 Referenced Document

• GB/T 6682 Water for analytical laboratory use.Specification and test methods

GB/T 23490-2009 history

• 2016 GB 5009.238-2016 Determination of Water Activity of Food in National Food Safety Standard
• 2009 GB/T 23490-2009 Determination of water activity in foods

GB/T 23490-2009 Determination of water activity in foods was changed to GB 5009.238-2016 Determination of Water Activity of Food in National Food Safety Standard.