Most gases are extremely difficult to detect because they are odorless. Certain gases are extremely harmful to humans if inhaled. Owing to the above, researchers have developed many potent techniques ...

Chromatography is an analytical technique that is used to separate and analyze complex mixtures. Chromatography works by distributing the components of a mixture between two phases, known as the ...

The wide range of chromatographic techniques share one common aim: to separate a material into its components. A material, your sample, is dissolved in a solvent, called the mobile phase. This mixture ...

Forensic techniques are used to investigate and help solve many different crimes, including theft, drug trafficking and use, murder, and terrorism. Forensic scientists, therefore, need to use the most ...

Humans have had a significant effect on the natural world. Our activities have had wide-reaching and long-lasting consequences for the planet. Pollutants can be found in all environments, and come ...