quaternary ammonium salt

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quaternary ammonium salt [′kwät·ən‚er·ē ə¦mō·nē·əm ′sȯlt]

(organic chemistry)

A nitrogen compound in which a central nitrogen atom is joined to four organic radicals and one acid radical, for example, hexamethonium chloride; used as an emulsifying agent, corrosion inhibitor, and antiseptic.

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No references found			Unlike quaternary ammonium salts, ternary salts possess only a single tallow group and a lower modifier concentration. Investigation of melt extensional deformation of ethylene-vinyl ... by Prasad, R.; Gupta, Rahul K.; Cser, F.; Bhattacharya, S.N. / Polymer Engineering and Science The concept of tethering quaternary ammonium salts (QASs) to a crosslinked polysiloxane matrix to produce a hybrid antifouling/fouling-release coating was investigated. Development of environmentally friendly, antifouling coatings based ... by Majumdar, Partha; Lee, Elizabeth; Patel, Nehal; Stafslien, Shane J.; Daniels, Justin; Chisholm, Bret / JCT Research The text is based upon research conducted under his direction at the Russian Academy of Sciences investigating the use of quaternary ammonium salts of diallyl type and acryl acids' salts as structures for the reception of novel guanidine-containing biocide polymers. Biocide Guanidine Containing Polymers: Synthesis, Structure and ... by SciTech Book News			quasi-parallel execution quasi-particle quasi-particle detector quasi-perfect number quasi-periodic motion quasi-random code generator quasi-reflection quasi-square-wave static inverter quasi-stable elementary particle Quasi-Static Process Quasi-Stationary Current quasi-stationary front Quasi-Stationary Process quasi-stellar object quasi-stellar radio source Quasiatom Quasicrystal Quasimodo Quasimodo, Salvatore Quasiparticles quassia Quatermain, Allan Quaternary quaternary alloy quaternary ammonium base quaternary ammonium salt quaternary carbon atom Quaternary Geology Quaternary Period quaternary phase equilibria quaternary phase-shift keying quaternary quantic quaternary signaling quaternary system quaternion Quaternions Quatrain Quatre Bras Quatre style Quatrefages de Breau, Jean Louis Armand de Quatrefages de Bréau, Jean Louis Armand de quatrefoil quatrefoil column Quatremere, Etienne Marc Quatremère, Étienne Marc Quattro Pro Quattrocento Quattrocento architecture Quauhtémoc quaver quay			Quaternaglia Guitar Quartet quaternaries quaternaries quaternaries quaternary quaternary quaternary Quaternary age Quaternary age Quaternary age Quaternary alloy Quaternary alloy Quaternary alloy Quaternary alloy Quaternary ammonium quaternary ammonium base Quaternary ammonium cation Quaternary ammonium cation quaternary ammonium compound quaternary ammonium compound quaternary ammonium compound quaternary ammonium compound quaternary ammonium compound Quaternary Ammonium Compound Transporter Quaternary ammonium compounds Quaternary ammonium compounds Quaternary ammonium compounds quaternary ammonium derivative Quaternary Ammonium Hydroxide Quaternary Ammonium Ion quaternary ammonium salt Quaternary Buried Artesian Aquifer Quaternary carbon Quaternary carbon Quaternary carbon quaternary carbon atom Quaternary Direct-Sequence Quaternary Environment of the Eurasian North Quaternary Environments Network Quaternary Geological Atlas Quaternary geology Quaternary Isotope Laboratory Quaternary Linear Code Quaternary Offset Quadrature Amplitude Modulation Quaternary Palaeoenvironments Group Quaternary period Quaternary period Quaternary period quaternary phase equilibria Quaternary Phase Shift Keying Quaternary phase-shift keying Quaternary Pulse Position Modulation quaternary quantic Quaternary Research Association Quaternary Research Center Quaternary sector of industry quaternary signaling quaternary structure quaternary structure quaternary structure Quaternary Studies Program

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