Glossary entry

English term or phrase:

adventitious carbon

Polish translation:

węgiel/warstwa węglowa z zanieczyszczeń przypadkowych

Added to glossary by Ewa Czajkowska
Sep 5, 2016 00:25
7 yrs ago
English term

adventitious carbon

English to Polish Science Chemistry; Chem Sci/Eng
Tekst na temat korozji, energii wiązania, grup węgla.

"The analysis demonstates presence of carbon in several forms. High percentage of carbon on the surface is expectable because of sorbed hydrocarbons from atmosphere, this is so called adventitious carbon. Detail structure of C1 does not content the component with binding energy 288 eV. This binding energy is connected with carbon bonded in group -CCOH, it means organic acids or their salts."

Proposed translations

58 mins
Selected

węgiel/warstwa węglowa z zanieczyszczeń przypadkowych

I have not seen "węgiel przypadkowy" - the literal translation.
Here is one source that fails to translate the word:

Calibration of the binding energy scale
was done by assuming the position of the adventitious C
1s line of C-C and C-H bonding at 284.6eV.
Kalibracji energii wiązania dokonano dla wartości C 1s wynoszącej 284.6eV w wią-
zaniach C-C i C-H.
http://www.biomat.krakow.pl/gazeta/archiwum/89-91F.pdf

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Reference comments

33 mins
Reference:

Adventitious Carbon

What is Adventitious Carbon?

A thin layer of carbonaceous material is usually found on the surface of most air exposed samples, this layer is generally known as adventitious carbon. Even small exposures to atmosphere can produce these films. Adventitious carbon is generally comprised of a variety of (relatively short chain, perhaps polymeric [1]) hydrocarbons species with small amounts of both singly and doubly bound oxygen functionality. The source of this carbon has been debated. It does not appear to be graphitic in nature and in most modern high vacuum systems vacuum oils are not readily present (as they have been in the past) [1,2,3,4]. There may be some evidence that CO or CO2 species may play a role in the gradual appearance of carbon on pristine surfaces within the vacuum of the XPS chamber [3].
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