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Totals: (Complete Digestion) As


This method is quantitative for arsenic. Samples are digested using perchloric and sulfuric acids and reduced using hydrochloric acid (arsenate to arsenite).  Determination is by vapor generation Inductively-Coupled Plasma Emission Spectrometer (ICP-AES). The method has a detection limit of 0.5 ug/L.

Sample amount requested:  40 mL

Questions concerning limited sample size can be answered by the UC Davis Analytical Laboratory.


Tracy, M. L. and Moeller, G. 1990. Continuous flow vapor generation for inductively coupled argon plasma spectrometric analysis. Part 2: Arsenic. J. Assoc. Off. Anal. Chem. 74:516-521.