Results 251 to 260 of about 4,432 (285)

Knock-limited performance of six aromatic amines blended with a base fuel in a full-scale aircraft-engine cylinder [PDF]

Jonash, Edmund R
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Synthesis of seleno-toluidine blue

Journal of Medicinal Chemistry, 1974
AbstractAus 2‐Nitro‐4‐amino‐toluol (I) erhält man über eine Diazotiesrungmit Selenocyanat die Selenocyanate (II), die mit Dithionit zu den Diseleniden (III) reduziert und dann mit p‐Nitroso‐dimethylanilin (IV) zum Seleno‐toluidin‐Blau (V) kondensiert werden.
Jerome S. Schultz, Lindenauer Sm, J. T. Groves, B. J. Haywood, J. A. Knol   +4 more
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The genetic toxicology of ortho-toluidine

Mutation Research/Reviews in Genetic Toxicology, 1991
ortho-Toluidine, a monosubstituted aniline and an intermediate in the dyeing industry, with a number of uses in other fields such as rubber processing and pharmaceutical production, has been in production for over 100 years. It is metabolised in vivo into a number of compounds, some of which are active genotoxins.
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Subacute toxicity of Toluidine Red

Toxicology and Applied Pharmacology, 1968
Abstract Toluidine Red (formerly D & C Red No. 35) was fed to groups of 10 Osborne-Mendel rats for 90 days at dietary levels of 0.0, 0.25, 0.50, 1.0, and 2.0%. No effect was observed on mortality, growth, or hematology. In females the liver to body weight ratios were increased at the 1.0% feeding level and in males at the 0.25, 0.50, and 2.0% levels.
Kent J. Davis, Stuart L. Graham
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Photometrische Bestimmung kleinster Mengen von Anilin, o-Toluidin, m-Toluidin und p-Toluidin [PDF]

Fresenius' Zeitschrift für analytische Chemie, 1961
Ein Verfahren zur Bestimmung kleinster Mengen von Anilin und o-, m-, p-Toluidin wurde ausgearbeitet. Das Prinzip der Methode beruht auf der Diazotierung der aromatischen Amine und Kupplung der entstandenen Diazoniumsalze mit dem Hydrochlorid des N-Athyl-1-naphthylamins in wasrig-athanolischer Losung unter Bildung der entsprechenden Azofarbstoffe.
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Electrochemical behavior of the toluidines in aqueous solutions

Journal of Electroanalytical Chemistry and Interfacial Electrochemistry, 1974
Summary The electrochemical oxidation of p -toluidine was investigated at platinum and carbon paste electrodes with periodic renewal of the diffusion layer, and at carbon paste electrodes with cyclic voltammetry in the pH range 0.7–12. It is pointed out that p -toluidine gives rise to two oxidation waves in the pH range 3.0–6.5.
Pier Giorgio Desideri, Luciano Lepri, Daniela Heimler   +2 more
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Crystallography of toluidine red

Journal of Applied Crystallography, 1971
X-ray diffraction analysis has been a very useful tool in the paint industry for the identification of pigments and extenders in a paint system (Scott, 1969), especially when complemented with infrared spectroscopic methods (McClure,Thomson & Tannahill, 1968). A pigment which can be characterized by both techniques is toluidine red, an azo pigment made
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Spectroelectrochemistry of electrochromic poly(o–toluidine) and poly(m-toluidine) films

J. Mater. Chem., 1995
Visible-range absorption spectra of poly(o-toluidine) and poly(m-toluidine) films on tin-doped indium(III) oxide-coated optically transparent electrodes as a function of applied potential are reported. Absorption maxima and redox potentials shift from values found for polyaniline due to the lower conjugation length in poly(toluidine)s.
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ChemInform Abstract: Toluidine Isomerization by HZSM‐5.

ChemInform, 1988
The isomerization of alkylaromatics has been widely studied. Early investigations with homogeneous catalysts, for example, metal halide-hydrogen halide complexes in aromatic solvents, established that the major reaction pathway utilized a series of 1,2-alkyl shifts.
Burtron H. Davis, Rita H. Hardy
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NIR vibrational overtone spectra of toluidines—evidence for steric and electronic effects in o-toluidine

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2004
The near infrared vibrational overtone absorption spectra of liquid phase toluidines are reported. The analysis of the observed CH and NH local mode mechanical frequency values shows that there exists steric and electronic interaction between the amino and methyl groups in o-toluidine.
K.P.R. Nair, Shibu M. Eappen, Sadasivan Shaji, T.M.A Rasheed   +3 more
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