SEARCH Articles Figures Tables Acetylcholine quaternary ammonium group Ammonium carbonate group Ammonium ions, alkylaffinity series platinum group metal complexes Ammonium sulfide group Ammonium sulfide nitro group reduction Ammonium sulphide group Fifth group of cations magnesium, sodium, potassium, and ammonium Functional groups ammonium Functional groups cerium ammonium nitrate Precipitate ammonium sulfide group precipitates Quarternary ammonium group Quaternary ammonium group Quaternary ammonium group, effect Quaternary ammonium group, effect nitration Quaternary ammonium salt groups Synthesis and Antibacterial Properties of Polysiloxanes-bearing Quaternary Ammonium Salt Groups