PERCHLORIC ACID
Electrochemical Deposition and Properties of Polyaniline Films on Carbon and Precious Metal Surfaces in Perchloric Acid/ Acetonitrile
... Beside the electrochemical polymerization of polyaniline (PANI) films on electrode surface, the medium of polymerization and the metal surfaces are essential to increase the yield and electrical conductivity of PANI ...
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Synthesis and characterization of tetraazamacrocyclic complexes using silica supported perchloric acid (HClO4:SiO2) as catalyst
... metal salts. Chandra et al. [12] have reported synthesis of macrocyclic complexes using condensation reaction of ethylenediamine and glyoxal in presence of chloride salts of transition metal ions using traditional reflux ...
7
Oxidation of ascorbic acid by hexacyanoferrate(III) in aqueous perchloric acid medium A kinetic and mechanistic study
... ascorbic acid which also contained the required amounts of perchloric acid and sodium ...ascorbic acid in ...ascorbic acid in acidic medium exhibits 2:1 ...ascorbic acid ...
11
A label-free electrochemical protein sensor of perchloric acid doped polyaniline
... conducting polymer chain, or the link between the dopant acid will be modified in a measurable way. As PANI films do not maintain their conducting character in non-acidic media (Naudin et.al., 1998) (i.e. the ...
12
Kinetics and mechanism of oxidation of p-nitrobenzaldehyde by potassium bromate in perchloric acid medium
... The acid variation at constant ionic strength is limited to only ...of perchloric acid, the dissociation of potassium bromate is considerable in our experimental conditions, making further ...
7
Kinetics and Mechanism of Chromium (VI) Oxidation of Threonine in Aqueous Perchloric Acid Medium
... ABSTRACT: The present paper describes the kinetics and mechanism of oxidation of threonine by chromium (VI) in aqueous perchloric acid medium at 45°C. The reaction is first order with respect to oxidant, ...
7
Kinetics and mechanism of Ru(III) catalysed oxidation of salicylic acid by chloramine T in perchloric acid medium
... salicylic acid by acidic solution of perchlorate in the presence of Ru(III) as a catalyst have been carried ...salicylic acid, Chloramine-T and ...to perchloric acid (H + ...
6
I. The Free Energy of Antimony and the Reduction Potential of Antimony. II. The Activity of Perchloric Acid in Aqueous Solution. III. The Free Energy and Heat Content of Arsenic Trioxide and the Reduction Potential of Arsenic
... The solution for the arsenic half-cell was prepared by rotating for 48 hours a mixture of perchloric acid, arsenic trioxide, and finely ground arsenic, at the temperature at which the [r] ...
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Crystal structure of bis(1 benzyl 1H 1,2,4 triazole) perchloric acid monosolvate
... atom position of the perchloric acid molecule is split over two O atoms (real peaks on difference map), with site-occupation factors of 0.5. These H atoms form two classical hydrogen bonds [2.546 (5) and ...
9
Use of perchloric acid for the development and validation of a non aqueous titrimetric assay of lansoprazole in pharmaceutical capsules
... of perchloric acid (titrant) in glacial acetic acid functions as a strongly acidic ...acetic acid, dioxane does not exert leveling effect on strong ...acetic acid, use of glacial acetic ...
7
Oxygen Reduction on Polycrystalline Pt and Au Electrodes in Perchloric Acid Solution in the Presence of Acetonitrile
... Acetonitrile adsorption was also investigated on polycrystalline gold electrodes, Au(poly), although in a lesser extent. The study of the acetonitrile adsorption on Au(poly) in perchloric acid solution by ...
11
Analysis of acid-base properties of some p-substituted aromatic hydrazones in aqueous perchloric acid by spectrophotometric and semiempirical methods
... The acid-base properties of some p-substituted aromatic hydrazones were examined in aqueous perchloric acid medium by spectrophotometric methods. The changes in the UV spectra occurred due to the ...
12
Electrochemical Corrosion Behavior of Aluminum in Perchloric Acid
... Corrosion and passivation of aluminum are a subject of tremendous technological importance due to the in- creased industrial applications of these materials [1,2]. The widespread use of aluminum arises from its different ...
12
ESTIMATION OF NICOTINE CONTENT IN COMMERCIAL BRANDS OF BIDIS AND CIGARETTES BY NON AQUEOUS TITRATION
... The main objective of this experiment is to determine the amount of nicotine in commercial brand bidis and cigarettes by means of a non- aqueous acid-base titration. This study focus on harmful level of nicotine ...
6
THE PLASMA VITAMIN B12 BINDING SUBSTANCE: I ITS DETECTION IN THE SEROMUCOID FRACTION OF PLASMA FROM NORMAL SUBJECTS AND PATIENTS WITH CHRONIC MYELO CYTIC LEUKEMIA
... The fact that most of the radioactive B12 bound to plasma either in vitro or in vivo could be recovered in the phosphotungstic acid precipitate of a perchloric acid filtrate in both norm[r] ...
12
Development and validation of stability indicating assay method by HPLC for the analysis of sitagliptin phospahte in bulk drug substances
... of perchloric acid in aqueous buffer as mobile phase modifier played a major role to get a good peak shape of sitagliptin by changing the strength of buffer from ...buffer(0.3% perchloric ...
7
Kinetics and Mechanistic Approach to the Benzimidazolium fluorochromate Oxidation of Indole-2-aldehyde in various percentages of Acetic acid and Water mixture
... mol), perchloric acid ...acetic acid – water mixture (50 % – 50%) and the solution was allows to stand in the dark for about 48 h to ensure completion of the ...
7
Kinetics and Thermodynamics of Oxidation of Some Meta-Substituted Anilinesby Tetrabutylammoniumbromochromatein Aqueous Acetic Acid Medium
... The tetrabutylammonium bromochromate (TBABC) oxidation of anilines, in an aqueous acetic acid medium in the presence of perchloric acid is described. The reaction is first order with respect to ...
8
American Journal of Materials Science and Engineering
... The evolution of the free potential or the potential for abandonment during a corrosion test is a first clue to estimate the possible gravity of the degradation during the immersion of the metal. The sample is immersed ...
5
Kinetics of the exchange reaction between two oxidation states of cerium
... in perchloric acid between ceriurm (III) and cerium ...in perchloric acid solution, and to examine the various factors determining the rate of ...
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