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Standard addition method for free acid determination in solutions with hydrolyzable ions [electronic resource].

Published
Aiken, S.C : Savannah River Laboratory, 1981.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
Pages: 8 : digital, PDF file
Additional Creators
Savannah River Laboratory and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
The free acid content of solutions containing hydrolyzable ions has been determined potentiometrically by a standard addition method. Two increments of acid are added to the sample in a 1M potassium thiocyanate solution. The sample concentration is calculated by solution of three simultaneous Nernst equations. The method has been demonstrated for solutions containing Al/sup 3 +/, Cr/sup 3 +/, Fe/sup 3 +/, Ni/sup 2 +/, Th/sup 4 +/, or UO/sub 2//sup 2 +/ with a metal-to-acid ratio of < 2.5. The method is suitable for determination of 10 ..mu..moles acid in 10 mL total volume. The accuracy is verifiable by reasonable agreement of the Nerst slopes found in the presence and absence of hydrolyzable ions. The relative standard deviation is < 2.5 percent.
Report Numbers
E 1.99:dp-ms-81-28
E 1.99: conf-811025-19
conf-811025-19
dp-ms-81-28
Subject(s)
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Note
Published through SciTech Connect.
01/01/1981.
"dp-ms-81-28"
" conf-811025-19"
"DE82002264"
25. conference on analytical chemistry and nuclear technology, Gatlinburg, TN, USA, 6 Oct 1981.
Baumann, E.W.
Funding Information
AC09-76SR00001
View MARC record | catkey: 14398284