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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 7303 (Hot Block/HCl/HNO3 Digestion)
www.cdc.govELEMENTS by ICP (Hot Block/HCl/HNO 3 Ashing): METHOD 7303, Issue 1, dated 15 March 2003 - Page 2 of 6 NIOSH Manual of Analytical Methods (NMAM), Fourth Edition REAGENTS: 1. Hydrochloric acid,* conc., ultra pure. 2. Nitric acid,* conc., ultra pure. 3. Calibration stock solutions, 50-1000 :g/mL. Commercially available single element
ELEMENTS by ICP 7300 (Nitric/Perchloric Acid Ashing)
www.cdc.govELEMENTS (ICP): METHOD 7300, Issue 3, dated 1 5 March 2003 - Page 4 of 8 NIOSH Manual of Analytical Methods (NMAM), Fourth Edition REFERENCES: [1] Millson M, Andrews R [2002].