Quantities, Units and Symbols in Physical Chemistry (ISBN 0632035838), also known as the Green Book, edited by I. Mills, et al., is published by the IUPAC, establishing standards for nomenclature in Chemistry. The International Union of Pure and Applied Chemistry (IUPAC) is an international non-governmental organization devoted to the advancement of chemistry. ... Chemistry (from the Greek word χημεία (chemeia) meaning cast together or pour together) is the science of matter at the atomic to molecular scale, dealing primarily with collections of atoms (such as molecules, crystals, and metals). ...

The green book is based on the IUPAP red book and the ISO 31 standards. Since it is available online as a PDF file, it is an excellent source for knowledge for how to handle quantities, units and symbols in science. The International Union of Pure and Applied Physics (IUPAP) is an international non-governmental organization devoted to the advancement of Physics. ... International Standard ISO 31 (Quantities and units, International Organization for Standardization, 1992) is the most widely respected style guide for the use of units of measurement, and formulas involving them, in scientific and educational documents worldwide. ...

External links

• Current edition
• Draft of the new edition)
• IUPAP Official Website