A Geneva Switzerland based association that regulates international air transportation and publishes annual regulations for air shipments of hazardous materials.
Immediately dangerous to life and health. In the event of the accidental exposure to a chemical, this is the concentration below which an individual could escape within 30 minutes without experiencing any escape-impairing or irreversible health effects.
See Noble Gasses.
The thirty elements of the Lanthanides and Actinides series, which are sub-series of the Transition Metals.
a chemically inactive element, compound or material. Because of their extremely low chemical activity the noble gasses are considered to be inert substances. This term is also used for substances that are added to mixtures, primarily for their bulk and weight.
The area where two immiscible phases of a dispersion come into contact. It may involve the same or different states of matter. There are five possible types: liquid/liquid (oil/water), liquid/gas (water/air), liquid/solid (water/clay), solid/gas (smoke/air), solid/solid (rubber carbon black).
An atom that has gained or lost one or more electrons and thus has either a positive (cation) or negative (anion) charge.
The radius exhibited by an ion in an ionic crystal where the ions are packed together to a point where their outermost electronic orbitals are in contact with each other.
International Union of Pure and Applied Chemists, the standards body that among other things, makes recommendations regarding the names of newly discovered elements and forms other chemistry related standards (such as the labeling of groups on the periodic table).
If you need to cite this page, you can copy this text:
Kenneth Barbalace. Chemistry & Environmental Dictionary - IATA - IUPAC. EnvironmentalChemistry.com. 1995 - 2023. Accessed on-line: 3/28/2023
If you would like to link to this page from your website, blog, etc., copy and paste this link code (in red) and modify it to suit your needs:
<a href="https://EnvironmentalChemistry.com/yogi/chemistry/dictionary/I02.html">echo Chemistry & Environmental Dictionary (EnvironmentalChemistry.com)</a>- 'Contains definitions for most chemistry, environmental and other technical terms used on EnvironmentalChemistry.com as well as many other chemistry and environmental terms.
NOTICE: While linking to articles is encouraged, OUR ARTICLES MAY NOT BE COPIED TO OR REPUBLISHED ON ANOTHER WEBSITE UNDER ANY CIRCUMSTANCES.
PLEASE, if you like an article we published simply link to it on our website do not republish it.