E2941-13 Practice for Nitric Acid-Extraction of Elements from Ores and Related Metallurgical Materials by Closed Vessel Microwave Heating is being revised with title change to include a total acid digestion method, since partial extraction with nitric acid may not provide the total metal content required for metallurgical accounting. Please approve the revision adding that alternative.
Keywordsatomic absorption; atomic emission; digestion; inductively coupled plasma mass spectrometry; microwave; mine soils; ores and related metallurgical materials; tailings; vessel; waste rock;
Withdrawn From Balloting
Ballot Item Approved as E2941-2014 and Pending Publication