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naphthene
(redirected from naphthenic)

   Also found in: Encyclopedia 0.01 sec.
naph·thene  (nfthn, np-)
n.
Any of several cycloalkane hydrocarbons having the general formula CnH2n and found in various petroleums.


naph·thenic (-thnk) adj.

naphthene [ˈnæfθiːn ˈnæp-]
n
(Chemistry) any of a class of cycloalkanes, mainly derivatives of cyclopentane, found in petroleum
[from naphtha + -ene]

naphthene  (nfthn, np-)


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The most toxic of these are a mixture of compounds known as naphthenic acids that are resistant to breakdown and persist as pollutants in the water used to extract the oils and tar.
All run on ammonia and use naphthenic base mineral oil (ISO-VG46 or ISO-VG68) as lubricants.
Its naphtha output consists of naphthenic grades suitable for re-formulation into gasoline.
 
 
 
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