Results 1 to 10 of about 25,055 (235)

Comparison of determination methods of soap and organic acid in styrene-butadiene rubber

open access: yesHecheng xiangjiao gongye, 2021
The contents of soap and organic acid in emulsion polymerized styrene-butadiene rubber determined by indicator titration and potentiometric titration in ISO 7781 were compared.
GENG Zhan-jie, ZHAI Yue-qin, FAN Guo-ning, QIN-peng
doaj   +1 more source

Potentiometric determination of ibuprofen, indomethacin and naproxen using an artificial neural network calibration [PDF]

open access: yesJournal of the Serbian Chemical Society, 2008
In this study, three anti-inflammatory agents, namely ibuprofen, indomethacin and naproxen, were titrated potentiometrically using tetrabutyl­ammonium hydroxide in acetonitrile solvent under a nitrogen atmosphere at 25°C.
Aktaş Hakan A., Ertokuş Pekcan Güzide
doaj   +3 more sources

Investigation of the functional groups on the surface of activated carbons [PDF]

open access: yesJournal of the Serbian Chemical Society, 2004
Activated carbons were produced in the laboratory from wood using a 20-run Plackett–Burman experimental design for 19 factors. The obtained batches of activated carbon were analysed by potentiometric titration and FTIR spectroscopy to determine the ...
Barkauskas Jurgis, Dervinyte Maryte
doaj   +1 more source

Study on automatically potentiometric titration simulating manual titration method for determination of fatty acid value of grain

open access: yesLiang you shipin ke-ji, 2020
A more stable and reliable method of the fatty acid values determination in grain was studied based on the establishment of manual titration method associated with the automatic potentiometric titration.The GB/T 20569—2006 Guidelines for evaluation of ...
LI Wei-xiang   +2 more
doaj   +1 more source

Determination of titratable acidity in white wine [PDF]

open access: yesJournal of Agricultural Sciences (Belgrade), 2007
The amount of titration acid in must is in the largest number of cases with in the range 5.0-8.0 g/dm3. Wines, as a rule, contain less acids than must, and according to Regulations, titratable acidity is in the range of 4.0-8.0 g/dm3 expressed in ...
Rajković Miloš B.   +2 more
doaj   +1 more source

Feasibility Study on the Application of Automatic Potentiometric Titrator in the Measurement of Organic Carbon in Marine Sediments

open access: yesYankuang ceshi, 2016
The automatic potentiometric titrator has the advantages of being simple to operate and giving fast measurement results, which could reduce artifical influence due to manual operation.
WANG Bing   +4 more
doaj   +1 more source

Bio-precipitation of uranium by two bacterial isolates recovered from extreme environments as estimated by potentiometric titration, TEM and X-ray absorption spectroscopic analyses [PDF]

open access: yes, 2011
This is the post-print version of the final paper published in Journal of Hazardous Materials. The published article is available from the link below. Changes resulting from the publishing process, such as peer review, editing, corrections, structural ...
Balkwill   +54 more
core   +2 more sources

Degree of Chitosan Deacetylation: Potential of Experimental Equations Application [PDF]

open access: yesKemija u Industriji
In recent years, research has extensively explored the broad industrial potential of chitosan, with the degree of deacetylation being a pivotal chemical attribute that significantly influences its physical and biological properties crucial for its ...
Nadežda Seratlić   +5 more
doaj   +1 more source

Humic acid protein complexation [PDF]

open access: yes, 2008
Interactions of purified Aldrich humic acid (PAHA) with lysozyme (LSZ) are investigated. In solution LSZ is moderately positively and PAHA negatively charged at the investigated pH values.
Koopal, L.K.   +4 more
core   +2 more sources

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