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azeotrope
(redirected from azeotropic)

   Also found in: Dictionary/thesaurus, Wikipedia 0.07 sec.
azeotrope /azeo·trope/ (a´ze-o-trōp″) a mixture of two substances that has a constant boiling point and cannot be separated by fractional distillation.azeotrop´ic
a·ze·o·trope (-z-trp, z-)
n.
A liquid mixture of two or more substances that retains the same composition in the vapor state as in the liquid state when distilled or partially evaporated under a certain pressure.

aze·o·tropic (az--trpk, -trpk) adj.

azeotrope
a mixture of two substances that has a constant boiling point and cannot be separated by fractional distillation.


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Aliquots of the samples underwent azeotropic distillation with methanol and evaporation under a nitrogen stream.
Thin layer chromatography and UV spectroscopy of the azeotropic extracts of the NR compounds showed 60-75% of the original quinonediimine converted to the corresponding p-phenylene diamine (PPD).
The good news at the conference was that several new "ozone-friendly" blowing agents--including fluoroiodocarbons, azeotropic mixtures, and liquid HFCs--are in development.
 
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