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Search results with tag "Aqua regia"
ELEMENTS by ICP 7301 (Aqua Regia Ashing)
www.cdc.govELEMENTS by ICP (Aqua Regia Ashing): MET HOD 7301, Issue 1, dated 15 M arch 2003 - Page 2 of 8 NIOSH Manual of Analytical Methods (NMAM), Fourth Edition
ELEMENTS by ICP 7300 (Nitric/Perchloric Acid Ashing)
www.cdc.govelsewhere [5-10]. For example, aqua regia may be needed for Mn [6,12]. 6. Add 2 mL ashing acid and repeat step 5. Rep eat this step until the solution is clear. 7. Remove watchglass and rinse into the beake r with distilled water. 8. Increase the tem perature to 150 …