Results 101 to 110 of about 27,262 (255)
Determination of the Acidity of Oils Using Paraformaldehyde as a Thermometric End-Point Indicator
Journal of the Brazilian Chemical Society, 2002 The determination of the acidity of oils by catalytic thermometric titrimetry using paraformaldehyde as the thermometric end-point indicator was investigated.
Carneiro Mário J. D. +2 more
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, 2018 Potentiometric titrationis can be used to determine the effective content of general chemical . The method offers many advantages, including simplicity, speed, easier end-point determination and more accurate results.
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Preliminary Testing For Anionic, Cationic and Non-ionic [PDF]
, 2007 Detergents present a major environmental problem due to large quantities of surfactants released from laundries. For this reason, it is important to apply an appropriate analytical method for their determination. In this work, we propose two simple, fast
Bokic, Lj., Pusic, T., Rezic, I.
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Evaluation of the results of a round robin analysis for oxygen in potassium and sodium [PDF]
Evaluation of various laboratory determination of oxygen in potassium and ...
Barrett, C. A., Zellars, G. R.
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derivative potentiometric titration
, 2014 Citation: 'derivative potentiometric titration' in the IUPAC Compendium of Chemical Terminology, 3rd ed.; International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. 10.1351/goldbook.D01609 • License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International for individual terms ...
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Стандартные образцы, 2017 A new method of quantitative determination of the substance of 5,7-bis(meta-nitrophenylamino)-4,6-dinitrobenzofuroxan using potentiometric titration method is developed. The method has high precision, reliability and sensitivity.
R. Sh. Markhabullina, L. M. Yusupova
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Naringenin complexes with copper ions: potentiometric studies. [PDF]
, 2013 Flavanones belong to the group of active flavonoid compounds, rarely occurring in the plant kingdom and are found in many foodstuffs (naringenin and derivatives) and medicinal plant materials. Many studies have demonstrated a relationship between dietary
Brodowska, Katarzyna
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Stuides on a Pb2+-selective electrode with a macrocyclic liquid membrane. Potentiometric determination of Pb2+ ions [PDF]
Journal of the Serbian Chemical Society, 2006 This paper presents experimental and theoretical data regarding the design, characterization and analytical applications of a non-expensive, liquid-membrane ion-selective electrode for Pb2+ ions. The membrane is a solution of the active complex formed by
MARIAN ISVORANU +3 more
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Química Nova, 2006 Free fatty acids are a measure of evaluating fats and oils, submitted to abusive conditions, besides being a quality characteristic of edible vegetable oils.
Osawa Cibele Cristina +2 more
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Journal of the Brazilian Chemical Society, 2001 Acid-base and complexation properties of humic acid (HA) isolated from a river sediment were studied by potentiometric titration, adopting the discrete site distribution model and the modified Gran functions for data fitting.
Abate Gilberto, Masini Jorge C.
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