Glossary of Terms - Q
It usually retards less than 10 percent of the ultraviolet radiation dose.
Quaternary ammonium compounds are strong bases, and their salts (formed by reaction with acids) provide the exchange sites on certain anion exchange resins.
Quaternary ammonium salts in which the "active" ingredient is sufficiently high in activity and concentration can be used in water treatment as microbiocides (microbe killers) and surfactants. Cationic quaternary ammonium compounds adsorb the cell membranes of the microbes and react chemically with the negative charges carried by the cell walls to inactivate and kill the microorganism.
Quicklime is capable of combining with water to form hydrated lime.
See Also: Lime (CaO) Burnt Lime (CaO) Lime (CaO) Lime Softening Burnt Lime (CaO) Hydrated Lime Hot-Lime Softening Hot Lime-Soda Softening Hot Process Softening Municipal Softening Water Softening Salinometer Slake Soap Soda Ash Soap Curd Lime (CaO) Lime Softening Burnt Lime (CaO) Hydrated Lime Hot-Lime Softening Hot Lime-Soda Softening Hot Process Softening Municipal Softening Water Softening Salinometer Slake Soap Soda Ash Soap Curd