title: Activated oxygen ashing of biological specimens for the microdetermination of Na, K, Mg, and Ca by atomic absorption spectrophotometry.
mesh_terms: D000818:Animals; D002118:Calcium / Q000032:analysis*; D002119:Calcium Carbonate / Q000032:analysis; D002623:Chemistry Techniques, Analytical / Q000295:instrumentation*; D004560:Electricity; D008274:Magnesium / Q000032:analysis*; D008722:Methods; D008832:Microchemistry; D008862:Microsomes, Liver / Q000032:analysis; D010084:Oxidation-Reduction / Q000295:instrumentation; D010100:Oxygen; D011188:Potassium / Q000032:analysis*; D011189:Potassium Chloride / Q000032:analysis; D051381:Rats; D012964:Sodium / Q000032:analysis*; D012965:Sodium Chloride / Q000032:analysis; D013057:Spectrum Analysis; D013696:Temperature
chemical_list: D012965:Sodium Chloride; D011189:Potassium Chloride; D012964:Sodium; D002119:Calcium Carbonate; D008274:Magnesium; D011188:Potassium; D010100:Oxygen; D002118:Calcium