Results 11 to 20 of about 25,055 (235)
Revista Brasileira de Ciência do Solo, 2010 Tendo em vista a dificuldade de determinação dos pontos de inflexão na curva de titulação potenciométrica de ácidos húmicos, por metodologias tradicionais, foi desenvolvido foi desenvolvido um programa na linguagem Delphi para ajuste multiparamétrico de ...
Clausius Duque Gonçalves Reis +5 more
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Chemosensors, 2021 This work deals with the design of an experimental potentiometric electronic tongue (ET) for the recognition of various samples of effervescent tablets with different ascorbic acid (vitamin C) contents.
Gabriela Broncová +2 more
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Critical evaluation of potentiometric redox titration in enology [PDF]
, 2005 Measurements of the zero current potential of a platinum electrode immersed in solutions of tanins or in wines of various origins, were performed during the additions of a solution of Ti(III), or of a solution of dichlorophenolindophenol (DCPIP), in ...
Comtat, Maurice, Durliat, Hélène
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Acid-base Properties of Tunisian Glauconite in Aqueous Suspensions
International Journal of Electrochemical Science, 2009 Potentiometric titration behaviour of a Tunisian glauconite complex natural clay mineral was investigated and interpreted according to surface complexation theory.
A. Kriaa +3 more
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Changes of pore structure and chloride content in cement pastes after pore solution expression [PDF]
, 2020 Pore solution expression is a widely accepted approach to extract pore solution of cement-based materials by appllying high pressure. In this study, the variations of pore solution distribution and chloride content in cement pastes before and after pore ...
De Schutter, Geert +4 more
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Shipin yu jixie, 2022 Objective: Two kinds of titration methods （automatic potentiometric titration and indicator titration） of GB 5009.229 and GB 5009.227 were used to analyze the expanded uncertaintyof the determination of acid value and peroxide value in edible oil ...
CHENG Hui, LIU Shun, GUAN Hong-xuan
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Journal of Chemistry, 2015 Potentiometric titration of poly(acrylic acid) and hydroquinone-functionalized poly(acrylic acid) was conducted in the presence of copper (II). The effects of hydroquinone functionalizing and copper (II) complexing on the potentiometric titration of poly(
Nabila Bensacia +4 more
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Liang you shipin ke-ji, 2020 A fatty acid value determination method in grain was developed by using automatic photometric titrator with KOH as standard titration solution in this paper, in which magnetic stirring apparatus was selected as extraction device, anhydrous ethanol was ...
LI Wei-xiang +3 more
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Potentiometric determination of cadmium with a solid composite electrode [PDF]
, 2017 The article presents the results of a study the possibility of potentiometric titration of the solution containing Cd (II) by the solution of sodium diethylditheocarbamate (DDTC-Na) using carbon composite electrode(CCE). The conditions for potentiometric
Бурилова, Г. А.
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The oxalato complexes of titanium(IV)—I : Mononuclear Ti(OH)2(C2O4)22− in solution [PDF]
, 1977 Molecular weight, electrodialysis and anion exchange measurements between pH 1 and 4 showed that the titanyl oxalate anion is present in solution as mononuclear Ti(OH)2(C2O4)22 units. pH studies of solutions of (NH4)2TiO(C2O4)2·H2O in 0.5 M NaClO4 medium
Velde, G.M.H. van de
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