* IUPAC Nomenclature of Organic Chemistry ( online version of the " Blue Book ")

* IUPAC Nomenclature of Organic Chemistry ( online version of the " Blue Book ")

* IUPAC Nomenclature Home Page, see especially the " Gold Book " containing definitions of standard chemical terms

Loss of a positive hydrogen ion ( H < sup >+</ sup >) from the hydroxyl group of a phenol forms a corresponding negative phenolate ion or phenoxide ion, and the corresponding salts are called phenolates or phenoxides, although the term aryloxides is preferred according to the IUPAC Gold Book.

Many definitions that describe a specific conformation ( IUPAC Gold Book ) exist:

* " Activation energy " ( from the IUPAC " Gold Book ")

* Definition of reproducibility in the IUPAC Gold Book

* The IUPAC Compendium of Analytical Nomenclature informally known as the Orange Book.

* IUPAC Gold Book definition

* Definition of glycosides, from the IUPAC Compendium of Chemical Terminology, the " Gold Book "

* Electron affinity, definition from the IUPAC Gold Book

An extensive property is defined by the IUPAC Green Book as a physical quantity which is the sum of the properties of separate noninteracting subsystems that compose the entire system.

For IUPAC nomenclature, the Gold Book gives the definition:

* IUPAC Gold Book Definition

* Red Book, term used by chemists to refer to the IUPAC nomenclature of inorganic chemistry 2005, Nomenclature of Inorganic Chemistry

* Definition of glycosides, from the IUPAC Compendium of Chemical Terminology, the " Gold Book "

* Definition of repeatability in the IUPAC Gold Book

* IUPAC Gold Book: coulometric detection method

Many definitions that describe a specific conformation ( IUPAC Gold Book ) exist:

* IUPAC Gold Book definition

* IUPAC Compendium of Chemical Terminology ( The Gold Book )

* " Standard conditions for gases " from the IUPAC Gold Book.

* " Standard pressure " from the IUPAC Gold Book.

* " STP " from the IUPAC Gold Book.

For purposes of international communication and trade, the official names of the chemical elements both ancient and more recently recognized are decided by the International Union of Pure and Applied Chemistry ( IUPAC ), which has decided on a sort of international English language, drawing on traditional English names even when an element's chemical symbol is based on a Latin or other traditional word, for example adopting " gold " rather than " aurum " as the name for the 79th element ( Au ).

Esters derived from more complex carboxylic acids are, on the other hand, more frequently named using the systematic IUPAC name, based on the name for the acid followed by the suffix-oate.

IUPAC's Inter-divisional Committee on Nomenclature and Symbols ( IUPAC nomenclature ) is the recognized world authority in developing standards for the naming of the chemical elements and compounds.

Since World War II, IUPAC has been focused on standardizing nomenclature and methods in science without interruption.

When trying to define rigorously whether an arrangement of atoms is " sufficiently stable " to be considered a molecule, IUPAC suggests that it " must correspond to a depression on the potential energy surface that is deep enough to confine at least one vibrational state ".

The names and symbols of elements 113, 115, 117, and 118 are provisional until permanent names for the elements are decided on, usually within a year after the discovery acknowledgement by IUPAC.

This follows from the IUPAC definition of the electric potential difference of a galvanic cell, according to which the electric potential difference of a cell is the difference of the potentials of the electrodes on the right and the left of the galvanic cell.

The new name was officially recommended by IUPAC on August 16, 2003.

This name was accepted by IUPAC on November 1, 2004 and approved by IUPAP on November 4, 2011.

The name was adopted by IUPAC on May 31, 2012.

The discovery of livermorium was recognized by JWG of IUPAC on 1 June 2011, along with that of flerovium.

However, the name livermorium and the symbol Lv were adopted on May 31, 2012 after an approval process by the IUPAC.

In 1979 the IUPAC published recommendations according to which the element was to be called ununoctium, a systematic element name, as a placeholder until the discovery of the element is confirmed and the IUPAC decides on a name.

According to current guidelines from IUPAC, the ultimate name for all new elements should end in "- ium ", which means the name for ununoctium may end in "- ium ", not "- on ", even if ununoctium turns out to be a noble gas, which traditionally have names ending in "- on " ( with the exception of helium, which was not known to be a noble gas when it was discovered ).

* The IUPAC Commission on Nomenclature of Inorganic Chemistry, which introduced its own proposal to the IUPAC General Assembly.

The IUPAC / IUPAP Joint Working Party ( JWP ), however, has made no comment on whether or not the element can be recognized as discovered.

In 1979 IUPAC published recommendations according to which the element was to be called ununseptium ( with the corresponding symbol of Uus ), a systematic element name as a placeholder, until the discovery of the element is confirmed and a name is decided on.