Quaternary ammonium salts comprise the active ingredients in fabric softener, the cost and performance of which can be assessed only by determining their presence with accuracy. This Application Note ...

Fabric softener contains quaternary ammonium salts as its active ingredient, and therefore its cost and performance are evaluated by accurately measuring the amount of these salts. This article ...

IN a previous paper, some of us 1 have shown that the quaternary ammonium salts of deoxy- and ribonucleic acids are soluble in organic solvents, and that by the addition of a concentrated solution of ...

Yichang Humanwell Pharmaceutical Co. Ltd. has described quaternary ammonium salts reported to be useful for the treatment of anesthesia and pain.