[Identification of the principal decomposition products of dimethindene].
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Chemical Phenomena↗
Biomedical subjects
U W Kesselring
Publications and source records attributed to U W Kesselring.
Effect of temperature and relative humidity on nitrazepam stability in solid state.
The decomposition of a 1% dilution of nitrazepam in microcrystalline cellulose was established by quantitative determination of the two main breakdown products, 2-amino-5-nitrobenzophenone and 3-amino-6-nitro-4-phenyl-2(1H)-quinolone, using in situ diffuse reflectance measurements on thin-layer chromatograms. The decomposition and formation rate constant of nitrazepam and of the breakdown products, respectively, were determined at four temperatures and six relative humidities. By means of a three-parameter regression equation, it was possible to correlate quantitatively the decomposition constant of nitrazepam to both temperature and relative humidity.
Chromatography, Thin Layer↗
[A technique for analysis of folic acid and p-aminobenzoylglutamic acid].
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Aminobenzoates↗
[The stability of folic acid in solid the state as a function of temperature and humidity].
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Chemical Phenomena↗
Determination of a protonation scheme for isochlortetracycline using nuclear magnetic resonance.
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Chemical Phenomena↗