Chemists, Scientists, engineers, and technicians in a variety of fields of chemistry often need information about them in their work. Many professional chemists also require information about different aspects of chemistry. With this encyclopaedia, these users can find up-to-date information about the most common chemistry concepts in an understandable from. Further, and attempt has been made to cover all the branches of chemistry. The encyclopaedia's wide range and standardised format make it the ideal reference work for anyone who uses chemistry in their class and research work.