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The WQA Glossary of Terms

This Glossary is published by the Water Quality Association (WQA) as a service to members and leaders in education, government, and industry.

© Copyright 2010 by Water Quality Association


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N Noble
Tuesday,Aug 31, 1999
Chemically unreactive, especially toward oxygen or resists chemical action such as corrosion caused by air, water, or (to a lesser degree) acids.

Gold, silver, platinum, palladium, and mercury are said to be "noble metals" because they don't rust and are resistant to acid damage.

Certain gases are called "noble gases" because they are inert (chemically inactive and stable.)



Water Quality Association: Glossary
Sat, Jul 31, 2010