Determination of Organic Acids in Process Solutions

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Abstract: "A method has been established for the estimation of volatile organic acids in aqueous process solutions containing UNH, nitric acid, ANN, sodium dichromate and small amounts of hexone. The practice is to distill a 400 ul or 500 ul sample in the presence of an excess of phosphoric acid and ferrous sulfate under a high vacuum; a special apparatus utilizing a receiver cooled with a dry ice-isopropanol mixture is employed. The distillate is taken up in isopropanol and then titrated potentiometrically with standard potassium hydroxide solution. Since nitric acid and organic acids are present, two end points are observed. … continued below

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[11] p. : ill., table ; 28 cm.

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Brouns, R. J. & Pollock, C. W. June 29, 1949.

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  • Main Title: Determination of Organic Acids in Process Solutions
  • Series Title: HW (Series)
  • Added Title: Hanford Works (Richland, Washington) Report 13280
  • Series Title: Hanford Works Reports
  • Added Title: Hanford Works Report HW-13280

Description

Abstract: "A method has been established for the estimation of volatile organic acids in aqueous process solutions containing UNH, nitric acid, ANN, sodium dichromate and small amounts of hexone. The practice is to distill a 400 ul or 500 ul sample in the presence of an excess of phosphoric acid and ferrous sulfate under a high vacuum; a special apparatus utilizing a receiver cooled with a dry ice-isopropanol mixture is employed. The distillate is taken up in isopropanol and then titrated potentiometrically with standard potassium hydroxide solution. Since nitric acid and organic acids are present, two end points are observed. The potassium hydroxide added between these end points is equivalent to the organic acids. In the titration, CO2 from the atmosphere or in the potassium hydroxide is a source of error. The former was avoided and correction was made for the latter."

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[11] p. : ill., table ; 28 cm.

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Digitized from microopaque cards (1).

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  • OCLC: 921194279
  • SuDoc Number: Y 3.AT 7:22/HW-13280
  • Report No.: HW-13280
  • Archival Resource Key: ark:/67531/metadc502813

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Technical Report Archive and Image Library

The Technical Report Archive & Image Library (TRAIL) identifies, acquires, catalogs, digitizes and provides unrestricted access to U.S. government agency technical reports. The mission of TRAIL is to ensure preservation, discoverability, and persistent open access to government technical publications regardless of form or format.

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  • June 29, 1949

Added to The UNT Digital Library

  • Feb. 12, 2018, 7:42 a.m.

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  • April 23, 2019, 6:06 p.m.

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Brouns, R. J. & Pollock, C. W. Determination of Organic Acids in Process Solutions, report, June 29, 1949; Richland, Washington. (https://digital.library.unt.edu/ark:/67531/metadc502813/: accessed August 14, 2026), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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