A MANOMETRIC METHOD FOR THE DETERMINATION OF OXYGEN IN ORGANIC COMPOUNDS

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A vacuum analytical method for the determination of oxygen in organic compounds was developed. Several milligrams (usually 3 to 5 mg) of the organic to be analyzed are sealed in an evacuated quartz bomb along with 2.5 to 3.5 mg of an organic reducing agent. Next the bomb is fired at 1050-- 1055 deg C for 30 minutes or longer. At the end of the heating period the bomb temperature is rapidly lowered from 1055 deg C to <650 deg C. As a last step the gaseous products are removed from the bomb and the volumes of CO and H/sub ... continued below

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10 p.

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Frazer, J W December 17, 1963.

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Description

A vacuum analytical method for the determination of oxygen in organic compounds was developed. Several milligrams (usually 3 to 5 mg) of the organic to be analyzed are sealed in an evacuated quartz bomb along with 2.5 to 3.5 mg of an organic reducing agent. Next the bomb is fired at 1050-- 1055 deg C for 30 minutes or longer. At the end of the heating period the bomb temperature is rapidly lowered from 1055 deg C to <650 deg C. As a last step the gaseous products are removed from the bomb and the volumes of CO and H/sub 2/ are determined. From these values the percentage of oxygen can be calculated providing an appropriate blank is obtained. Compounds containing carbon, hydrogen, nitrogen, sulfur, iodine, and chlorine have been successfully analyzed for oxygen. Organic compounds containing fluorine cannot be analyzed for oxygen by this method, because fluorine reacts with quartz to form oxygen and silicon tetrafluoride. (auth)

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10 p.

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  • Other Information: Orig. Receipt Date: 31-DEC-64

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  • Report No.: UCRL-7618
  • Grant Number: W-7405-ENG-48
  • DOI: 10.2172/4078001 | External Link
  • Office of Scientific & Technical Information Report Number: 4078001
  • Archival Resource Key: ark:/67531/metadc869676

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  • December 17, 1963

Added to The UNT Digital Library

  • Sept. 16, 2016, 12:32 a.m.

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  • April 17, 2017, 2:45 p.m.

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Frazer, J W. A MANOMETRIC METHOD FOR THE DETERMINATION OF OXYGEN IN ORGANIC COMPOUNDS, report, December 17, 1963; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc869676/: accessed August 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.