Chromatography is the science of separating molecules of interest to identify, quantify or even purify them. Properties of the target molecules such as their solubility, size or hydrophobicity give ...

Ion chromatography, or ion exchange chromatography to give its full name is a process that allows the separation of ions and polar molecules based on the charge properties of the molecules. Methods ...

Rising drug costs have increased public pressure on the biopharmaceutical industry to find ways to identify and eliminate high-cost unit operations. Biopharmaceutical manufacturing groups now ...

RECENT years have seen the development of many new techniques of importance to the chemist ; of these, chromatography and ion-exchange have received special attention of late. A well-attended ...

WE have found that, when a mixture containing barbiturate, salicylate and acetophenetidin is subjected to chromatography on Whatman No. DE20 cellulosic ion-exchange paper in dilute ammonia solution, a ...