carbon 12


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car·bon 12 (12C),

(kar'bŏn),
The standard of atomic mass, 98.90% of natural carbon.
References in periodicals archive ?
Because methane made with carbon 12 is slightly lighter, the chemical reactions that convert it to more complex hydrocarbons happen a bit faster.
F R I D AY BRECON: Theatr Brycheiniog (01874 611622), Welsh National Opera presents Carbon 12.
Kourosh Nouri, Director of Carbon 12, an Art Gallery in Dubai said, Aa oI participated for Earth Hour last year and itAEs great that Dubai is Aa repeating the initiative this year as well.
She went down the pits of the famous Tower Colliery, in Hirwaun, south Wales, and became embroiled in the life of the miners and their families to ensure her work, Carbon 12, was a perfect reflection of that close-knit community.
WELSH National Opera present a double bill at Wales Millennium Centre tonight with a premiere of mini-opera Carbon 12 tonight, preceded by Prokofiev's Alexander Nevsky.
But they have different ratios of carbon 13 to carbon 12 to those that have been introduced illicitly.
There will also be An Evening of Rossini on June 18 and a double-bill of Prokofiev's Alexander Nevsky and Carbon 12, a choral celebration of South Wales's history and culture, on June 19.
This form, called carbon 12, accounts for 99 percent of all carbon (carbon 13 and 14 account for the rest).
2], and, as long as they are alive, the ratio of carbon 14 to carbon 12 within the plants is constant.
Price and ARS chemist Suzie Sheng are using mass-spectrometry analysis to compare the ratio of carbon 12 and 13 isotopes of sugars that have been metabolized and secreted into saliva.
Here, he compares the ratio of carbon 13 to carbon 12 isotopes.
Important evidence is contained in the ratios of the carbon 12 and 13 isotopes in the cap carbonates.