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Physicochemical Characterization of Kynurenine Pathway Metabolites. [PDF]

open access: yesAntioxidants (Basel)
Buzásy L   +7 more
europepmc   +1 more source
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The titration error in potentiometric precipitation titration

Talanta, 1975
The titration error can be calculated with the aid of the value of the buffer index determined at the inflection point of the titration curve when a precipitation titration is followed with an ion-selective electrode. When the precipitate is not formed ideally in the titration (i.e., is not formed under equilibrium conditions) the titration error ...
P O, Kosonen, E J, Hakoila
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Evaluation of Automatic Potentiometric Titrator in Nonaqueous Titrations

Journal of Pharmaceutical Sciences, 1966
A procedure is reported for the evaluation of the behavior of an automatic recording titrator in nonaqueous titrations and is applied to an instrument composed of commercially available units. First, the behavior of the purely instrumental features was determined and the experimental errors were compared with calculated maximum anticipated relative ...
T, Medwick, E, Kirschner
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The potentiometric titration of the sulfa drugs

Journal of the American Pharmaceutical Association (Scientific ed.), 1950
The potentiometric titration of the sulfa drugs is reported. The official assay is modified in that the end point of the titration is determined potentiometrically and the use of ice has been eliminated. Comparison with the official assay is favorable since the method is rapid, convenient, and consistent results are obtained. The method does not permit
J P, LaROCCA, K L, WATERS
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On potentiometric titration curves in complexometry

Talanta, 1969
An equation is given which describes the potential change during complexometric titration of metals with potentiometric end-point detection. The potential of the indicator electrode (e.g., silver or mercury electrode) depends on the equilibrium of the reaction MY + W right harpoon over left harpoon WY + M, where W represents the indicator metal ion ...
A, Hulanicki, M, Trojanowicz
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Potentiometric titration of diprotic systems

Fresenius' Journal of Analytical Chemistry, 1997
The approximate nature of Gran’s method of linearization of potentiometric titration curves applied to diprotic systems has been thoroughly investigated. A function involving pH and titrant volume V (which is linearly dependent on V and becomes zero at the first equivalent point of titration of a weak diprotic base with a strong monoprotic acid) has ...
PEZZATINI, GIOVANNI   +2 more
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Potentiometric titration of aspirin in ethanol

Journal of Chemical Education, 1965
This experiment illustrates the potentiometric end point in nonaqueous acid-base titrations.
S Y, Shen, A J, Gilman
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Potentiometric titration of xanthan

Macromolecules, 1987
Etude en solution aqueuse de ClNa pour des concentrations de sel de 0,01, 0,02, 0,05 et 0,1 ...
Lina Zhang   +2 more
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