A paper chromatogram can also be used to identify substances by comparing them with known substances. Two substances are likely to be the same if: they produce the same number of spots, and these ...

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 ...

This meeting is of particular interest for teachers of Advanced Level Chemistry and will reflect the requirements of the new examination specifications, including thin layer chromatography (TLC) and ...