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Quaternary
(redirected from Quaternary ammonium compounds)

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
quaternary
1. Chem containing or being an atom bound to four other atoms or groups
2. Maths having four variables

Quaternary
1. of, denoting, or formed in the most recent period of geological time, which succeeded the Tertiary period nearly two million years ago
2. the. the Quaternary period or rock system, divided into Pleistocene and Holocene (Recent) epochs or series

Quaternary [′kwät·ən‚er·ē]
(geology)
The second period of the Cenozoic geologic era, following the Tertiary, and including the last 2-3 million years.


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No Build-up Conditioner After repeated use, quaternary ammonium compounds are known to buildup on hair fibers, causing a matted after-feel.
You'll need a quaternary cleaner (a cleaner formulated with quaternary ammonium compounds that provide excellent cleaning and disinfection properties) registered with the EPA with a hepatitis B virus (HBV) claim that it can handle blood and other potentially infectious material (i.
36] alcohol Antimicrobial polymer latexes derived from unsaturated quaternary ammonium compounds and antimicrobial coatings, sealants, adhesives and elastomers produced from such latexes U.
 
 
 
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