COMPARATIVELY little use has been made of paper chromatography for micro or semimicro preparative purposes. A difficulty encountered in such work is that of applying relatively large quantities of ...

THE separation of several non-volatile carboxylic acids by paper chromatography has been described by Lugg and Overell 1,2. These workers found that it was impossible to carry out the separation with ...

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 ...

Chromatography in Greek means to ‘write with colors.’ It is a versatile separation technique developed in 1903 by Mikhail Tswett, a Russian botanist. He separated colorful plant pigments using a ...

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 ...