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A Method of Ashing Organic Materials for the Determination of Potassium
1917
Journal of Industrial & Engineering Chemistry
INTRODUCTORY 1 "Handbuch der Analytischen Chemie," German Edition, 1 (1851), 2 J . A m . Chem. SOC., 19 (1897), 155-6. method herein explained was developed with a view to removing all the organic matter at one heating, even at the risk of losing a trace of potassium by volatilization. 2 This material was examined by a hand lens until the operator was so familiar with the appearance of a clean precipitate as to render use of a glass unnecessary.
doi:10.1021/ie50092a017
fatcat:iejubzo3vjablc44l5mdet73v4