Health Boards


Encyclopedia


My Profile

Health Boad


Health Jobs


Shopping


Health Tools

water activity

An expression of the relative availability of water in a substance. Pure water has an water activity of 1.000. The water activity of a solution is one-hundredth its relative humidity.


Selected water activity links:

© 1997-2006 Healthboard.com.   Healthboard.com is a purely informational website, and should not be used as a substitute for professional legal, medical or technical advice.