SEVERAL methods 1–6 have been published for the quantitative estimation of amino-acids after separation by filter-paper chromatography. In general, these methods have only been applied to simple amino ...

Chromatography is a process by which compounds within a mixture are separated. Compounds are be separated by properties such as size, and how the compounds interact with the mobile and stationary ...

PAPER electrophoresis of proteins has on the whole proved to be a more satisfying means of separation than paper chromatography, owing to the physico-chemical properties of the proteins that make them ...

A pencil line is drawn, and spots of ink or plant dye are placed on it. There is a container of solvent, such as water or ethanol. A pure substance will only produce one spot on the chromatogram ...

The roots of chromatography can be traced back to the early 20th century when Mikhail Tswett introduced the concept of liquid-phase chromatography. Over the years, chromatography techniques have ...

Various chemical analysis techniques can be used to help identify the chemicals present in reaction mixtures or give important information about the products of a chemical reaction. Chromatography is ...

The Sars-CoV-2 virus has caused a pandemic which has led to nearly 100 million cases globally by the end of 2020. The development of effective vaccines and treatments by companies and governments ...