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Analyzing wax for total mercury by CVAF

Ela writes...
Hi! I need to analyze wax for total mercury by CVAF. What would be the best digestion method? Also, we don't have a microwave system.


Dear Ela,

I would like to suggest the nitric/perchloric acid digestion method for this application. It is an excellent method for difficult to decompose samples of elements that are easily lost during ashing preparations. In addition the DL of CVAF allows for small samples to be digested and still attain the required DL capability.

Serving you in chemistry,
 

Paul R. Gaines, Ph.D.
CEO of Inorganic Ventures & Fellow Chemist

DISCLAIMER: Advice offered by the chemists at Inorganic Ventures is intended for the individual posing the question. Feel free to contact us to verify whether these suggestions apply to your unique circumstances.