Results 201 to 210 of about 4,314 (243)
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Phenol determination by thermometric titrimetry
Thermochimica Acta, 1989Abstract Some thermometric titrimetry data are reported for the phenol, p-nitrophenol, p-methoxyphenol and pl-ienol/pentachlorophenol - thallium ethoxide interactions in benzene as solvent. These thermochemical data are interpreted in terms of the structure of the relevant phenol and ‘end-point curvature’ is rationalised in terms of a phenoxide ion ...
John O. Hill, S. Korce
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Data analysis in thermometric titrimetry
Thermochimica Acta, 1983Abstract The application of a microprocessor and a high level programming language (BASIC) is described for data acquisition and data analysis in thermometric titrimetry. The results derived by the microprocessor for the standard thermochemical test reactions THAM/HCl, NaOH/HClO4 and NaOH/H2SO4 are in excellent agreement with those obtained using a ...
John O. Hill +2 more
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2011
Der pH-Wert ist ein Mas fur die Wasserstoffionen-Konzentration c(H+) in Wasser und in allen wassrigen Losungen. Er ist als der negative dekadische Logarithmus der molaren Wasserstoffionen-Konzentration festgelegt (von lat. potentia hydrogenii = Macht des Wasserstoffs) und wurde 1909 von dem danischen Chemiker Soren Peter Lauritz Sorensen (1868–1939 ...
Bruno P. Kremer, Horst Bannwarth
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Der pH-Wert ist ein Mas fur die Wasserstoffionen-Konzentration c(H+) in Wasser und in allen wassrigen Losungen. Er ist als der negative dekadische Logarithmus der molaren Wasserstoffionen-Konzentration festgelegt (von lat. potentia hydrogenii = Macht des Wasserstoffs) und wurde 1909 von dem danischen Chemiker Soren Peter Lauritz Sorensen (1868–1939 ...
Bruno P. Kremer, Horst Bannwarth
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Analytica Chimica Acta, 1959
Abstract A technique of arbitrary standard weight titrimetric analysis has been proposed for realising the ultimate degree of mechanical precision of which titrimetric processes are capable, and has been applied to reactions and methods of end-point location which are particularly favourable.
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Abstract A technique of arbitrary standard weight titrimetric analysis has been proposed for realising the ultimate degree of mechanical precision of which titrimetric processes are capable, and has been applied to reactions and methods of end-point location which are particularly favourable.
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1973
Publisher Summary This chapter discusses the applications and the theory of thermal titrimetry. For thermal titrimetry, a concentrated reagent, B, is added to the material, A, at a constant rate. The heat change generated by the reaction is recorded as a function of time or concentration of B added.
Mario A. Marini, Charles J. Martin
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Publisher Summary This chapter discusses the applications and the theory of thermal titrimetry. For thermal titrimetry, a concentrated reagent, B, is added to the material, A, at a constant rate. The heat change generated by the reaction is recorded as a function of time or concentration of B added.
Mario A. Marini, Charles J. Martin
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Full‐scale automatic titrimetry. II
Journal of Applied Chemistry, 1960AbstractAs a result of practical experience, modifications have been made to the apparatus for full‐scale automatic titrimetry previously described.1 These modifications involve the titrant injection system, the pH or e.m.f. measuring system, the recording apparatus and the titration assembly.
D. C. M. Squirrell +2 more
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Indirect determination of nitroglycerine by biamperometric titrimetry
Talanta, 1977A procedure is described for the determination of nitroglycerine in propellant samples by biamperometric titrimetry. The method is simple, avoids the use of expensive instruments, and is free from interferences other than those occurring in the classical techniques. The accuracy and precision are equal to those of existing methods.
Juan A. Blanco +4 more
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HIGH-PRECISION VOLUME TITRIMETRY
Canadian Journal of Chemistry, 1962Ways in which the ultimate limit of volume titrimetry may be reached are analyzed: the most suitable approach, based essentially upon the use of a bulb burette, allows, in theory, a mechanical precision better than that of the best weight techniques to be obtained, and the various factors influencing this precision are detailed.
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The palladium electrode in aqueous and nonaqueous titrimetry
Analytica Chimica Acta, 1959Abstract Two modifications of the palladium-hydrogen electrode of Schwing and Rogers have been made and tested. A new form of “generation” electrode with a vertical palladium diaphragm and fast constant speed circulation has been devised. This form of electrode responds rapidly and has been used in a variety of acid-base titrations in aqueous and ...
John T. Stock +2 more
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Determination of acetaminophen by thermometric titrimetry
Analytica Chimica Acta, 1997Abstract A sensitive, accurate and precise thermometric titration is described for the direct determination of ⩾75 mg of acetaminophen in pure form or in pharmaceutical formulations. Titrations are performed with aqueous sodium hydroxide solution. Excipients tested (starch, talc, lactose) had no effect on the accuracy and precision.
F. Auffret, J.-L. Burgot, G. Burgot
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