Show Summary Details

Page of

PRINTED FROM OXFORD REFERENCE (www.oxfordreference.com). (c) Copyright Oxford University Press, 2013. All Rights Reserved. Under the terms of the licence agreement, an individual user may print out a PDF of a single entry from a reference work in OR for personal use (for details see Privacy Policy and Legal Notice).

date: 04 April 2020

atomic absorption spectrometry (AAS) 

Source:
The Concise Oxford Dictionary of Archaeology
Author(s):

Timothy Darvill

[Te]A technique used in archaeology to determine the chemical composition of metals, pottery, minerals, and rocks of various kinds. A powdered sample of the material to be examined (typically 10–100 mg) is dissolved in an aqueous liquid which is then atomized in a flame. A beam of light of controlled wavelength is shone through the flame to a detector on the other side. The wavelength is selected so that atoms of the element under study will absorb some of the light and so will not reach the detector. The amount of energy absorbed is directly proportional to the concentration of the element in the sample.... ...

Access to the complete content on Oxford Reference requires a subscription or purchase. Public users are able to search the site and view the abstracts and keywords for each book and chapter without a subscription.

Please subscribe or login to access full text content.

If you have purchased a print title that contains an access token, please see the token for information about how to register your code.

For questions on access or troubleshooting, please check our FAQs, and if you can''t find the answer there, please contact us.