quaternary ammonium compound - translation to αραβικά
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quaternary ammonium compound - translation to αραβικά

CLASS OF CATION CONTAINING NITROGEN WITH 4 SUBSTITUENTS
QUATS; Quaternary ammonium salt; Quaternary ammonium compound; Quats; Quaternary ammonium; Quaternary ammonium salts; Quaternary ammonium compounds; Quaternary amine; Tetraalkylammonium; Quaternary ammonium cations; Quat salt; Quaternary amines; Quaternary ammonium ion; Quaternary ammonium halide; Quat salts
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  • Quaternary ammonium cation. The R groups may be the same or different [[alkyl]] or [[aryl]] groups. Also, the R groups may be connected.

quaternary ammonium compound         
‎ مُرَكِّبٌ أَمونْيُومِيٌّ رُباعِيّ‎
quaternary         
  • Artist's impression of Earth during the [[Last Glacial Maximum]]
THIRD AND CURRENT PERIOD OF THE CENOZOIC ERA
Quaternary age; Quaternary period; Quaternary Period; Quarternary; Quarterny period; The Quaternary Period; Quaternary (geology); Pleisto-Holocene; Quatenary; Quaternaries
رباعى المقومات أو العناصر
quaternary         
  • Artist's impression of Earth during the [[Last Glacial Maximum]]
THIRD AND CURRENT PERIOD OF THE CENOZOIC ERA
Quaternary age; Quaternary period; Quaternary Period; Quarternary; Quarterny period; The Quaternary Period; Quaternary (geology); Pleisto-Holocene; Quatenary; Quaternaries
الرَّابِع (في الترتيب)

Ορισμός

Quaternary
·noun The number four.
II. Quaternary ·adj Consisting of four; by fours, or in sets of four.
III. Quaternary ·noun The Quaternary age, era, or formation. ·see the Chart of Geology.
IV. Quaternary ·adj Later than, or subsequent to, the Tertiary; Post-tertiary; as, the Quaternary age, or Age of man.

Βικιπαίδεια

Quaternary ammonium cation

In chemistry, quaternary ammonium cations, also known as quats, are positively-charged polyatomic ions of the structure [NR4]+, where R is an alkyl group, an aryl group or organyl group. Unlike the ammonium ion (NH+4) and the primary, secondary, or tertiary ammonium cations, the quaternary ammonium cations are permanently charged, independent of the pH of their solution. Quaternary ammonium salts or quaternary ammonium compounds (called quaternary amines in oilfield parlance) are salts of quaternary ammonium cations. Polyquats are a variety of engineered polymer forms which provide multiple quat molecules within a larger molecule.

Quats are used in consumer applications including as antimicrobials (such as detergents and disinfectants), fabric softeners, and hair conditioners. As an antimicrobial, they are able to inactivate enveloped viruses (such as SARS-CoV-2). Quats tend to be gentler on surfaces than bleach-based disinfectants, and are generally fabric-safe.