What is a good standard to use when analyzing oxygen isotopes on the TC/EA?

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Juris Meija

You can consult www.ciaaw.org with plenty of guidelines and articles

http://www.ciaaw.org/oxygen-references.htm

Angela Seligman

Thank you for the advice! I will certainly look through the website!

Thank you William! You mentioned nitrates, sulfates, and organic material. If I am trying to use a material that is similar in nature and in isotopic composition, then I should use a silicate, correct? Do you know of any currently used silicate standards?