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Abstract A procedure has been developed for multi‐element analysis of nitric‐perchloric tissue digests. Both plant and animal tissues appear to be quantitatively digested. The recommended procedure is rapid, requires a minimum of glassware manipulation and reagent addition. Analysis of National Bureau of Standards reference material, SRM 1571 (Orchard Leaves) and SRM 1577 (Bovine Liver) was satisfactory for all elements sought.
Zasoski et al. (Sat,) studied this question.