ASTM D1971-16


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ASTM D1971-16


Standard Practices for Digestion of Water Samples for Determination of Metals by Flame Atomic Absorption, Graphite Furnace Atomic Absorption, Plasma Emission Spectroscopy, or Plasma Mass Spectrometry
standard by ASTM International, 06/01/2016

Format: PDF      In Stock



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1.1 Most atomic absorption and plasma emission spectroscopy, and plasma-mass spectrometric test methods require that the metals of interest be dissolved in a liquid phase before being introduced into the spectrophotometer. These practices describe digestion or dissolution procedures whereby analyte metals associated with the solid fraction of a sample can be brought into solution for subsequent analysis. The following practices are included:



Practice A-Digestion with Mineral Acids and
 Elevated Pressure

8 through 13

Practice B-Digestion with Mineral Acids and
 Heating at Atmospheric Pressure

14 through 19

Practice C-In-Bottle Digestion with Mineral Acids

20 through 25

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