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  1. No Access

    Chapter

    Study of Water Quality Through Hydro-Chemical Signature in León, Guanajuato, Mexico

    The aquifer system of Valle de León (VL) is a free aquifer that consists mainly of sedimentary Tertiary rocks of lacustrine origin (Fig. 1). This valley presents different hydraulic conductivity stratification...

    S. A. Cortés, G. A. Lozano, J. Pérez in Water Stress in Biological, Chemical, Phar… (2015)

  2. No Access

    Article

    Synthesis and spectroscopic and electrochemical studies of chitosan Schiff base derivatives

    Schiff derivatives were prepared by the reactions of salicylaldehyde and its derivatives (5-chloro, 5-methoxy, 5-fluoro, 5-methyl, 5-nitro) with the amino group of chitosan. The Schiff bases were studied by Fo...

    C. A. Caro, G. Cabello, E. Landaeta, J. Pérez… in Russian Journal of Applied Chemistry (2013)

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    Article

    The effect of dosage on the photocatalytic degradation of organic pollutants

    Heterogeneous photocatalytic degradation of many organic pollutants, such as phenol and phenol derivatives, may be optimised if the catalyst surface saturation and the appearance and accumulation of non-photoc...

    J. M. Doña, C. Garriga, J. Araña, J. Pérez, G. Colon… in Research on Chemical Intermediates (2007)

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    Article

    Thermal Study of [Pd(2-Phpy)Cl(L)] Complexes (L=pyridines and amines)

    The complex [Pd(2-Phpy)(µ-Cl)]2 reacts with pyridines (L=pyridine, α-picoline and γ-picoline), amines (L=isopropylamine, tert-butylamine) and ammonia to form the corresponding ortho-palladatedderivatives [Pd(2-Ph...

    J. Pérez, G. Sánchez, J. García… in Journal of Thermal Analysis and Calorimetry (2001)

  5. No Access

    Article

    Determination of 3,3′-Dichlorobenzidine and its degradation products in environmental samples with a small low-field Fourier transform ion cyclotron resonance mass spectrometer

    3,3′-Dichlorobenzidine (DCB) and its degradation products, 3-chlorobenzidine (MCB) and benzidine, are of environmental concern because of their carcinogenic nature. The suitability of a small Fourier transform...

    M. C. Nyman, J. Pérez, E. R. Blatchley… in Journal of the American Society for Mass S… (1999)