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Mechanochemical Degradation and Fluoride Recovery of Perfluorosulfonic Acid Polymer Membrane. [PDF]
ChemSusChemThe mechanochemical degradation of a perfluorosulfonic acid polymer (PFSA) used in fuel cells, was studied. The products were characterized by various techniques including nuclear magnetic resonance spectroscopy, scanning electron microscopy−energy dispersive X‐ray spectroscopy and liquid chromatography−mass spectrometry.
Monjal V +4 more
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Consumer expectations, drug effects, price and purity of heroin and cocaine purchased at drug consumption rooms [PDF]
Harm Reduction Journal, 2023 Background Drug consumption rooms offer heroin and cocaine consumers a secure and hygienic environment including medical and social guidance. Despite the support and mentoring, only sparse information is available about how drug quality, drug prices and ...
Georges Dahm +9 more
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Journal of Chemistry, 2022 There are different techniques for removing microorganisms in wastewater, each with its own advantages and disadvantages. Electrocoagulation because of its simplicity has gained great attention and is used for the removal of various ions, organic matters,
A. C. Ndjomgoue-Yossa +2 more
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Investigation on heroin and cocaine quality in Luxembourg
Harm Reduction Journal, 2021 Background Heroin and cocaine are among the most dangerous illicit drugs available and their presence on the market is increasing. These facts have led to the investigation of the quality of heroin and cocaine samples seized in Luxembourg by police and ...
Adèle Bourmaud +5 more
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Quelques considérations sur l’utilisation des électrodes à membrane et leur limite de sensibilité
CHIMIA, 1973 Results with different types of electrodes have shown that the sensitivity and especially the selectivity of the solid state electrodes is adequate for determining traces of ions in complex medium.
N. Parthasarathy +6 more
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CHIMIA, 1971 The oxidation of diluted amalgams in the presence of traces of oxigen dissolved in water was studied with the purpose to find a method for the quantitative determination of traces of oxigen in gasses.
M. Pelletier, J. Buffle, D. Monnier
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IUCrData, 2021 The title compound, (NH4)4[W2(C10H12N2O8)O6]·4H2O, was obtained from a mixture of tungstic acid, ammonia and ethylenediaminetetraacetic acid (H4edta) in a 2:4:1 ratio. The anion of the complex contains two WO3 units and one bridging edta4− ligand.
Lamine Yaffa +6 more
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Azote asymétrique: racémisation et échange de deutérium dans des complexes macrocycliques
CHIMIA, 1971 Racemization kinetics of the Ni2+- and Cu2+-complexes of three macrocyclic ligands with coordinated nitrogen as asymmetric centers have been measured.
E. Sledziewska +3 more
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Cooking heroin the Turkish way: chemical investigation on an unusual heroin preparation method
Harm Reduction Journal, 2021 Background Reports from experienced heroin users about an alternative and appreciated but harmful so-called “Turkish” heroin preparation technic led to the chemical investigation of the compounds produced during this process and investigation of the ...
Georges Dahm +4 more
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Fluorescence spectroscopy for monitoring extra virgin olive oil deterioration upon heating
Czech Journal of Food Sciences, 2004 Fluorescence spectroscopy is a reliable and fast method for determining the deterioration of extra virgin olive oil (EVOO). EVOO was analysed by HPLC for determining antioxidant changes in EVOO due to heating at 170°C for 3 h.
R. Cheikhousman +4 more
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