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  1. No Access

    Article

    Heinrich Hertz's laboratory notes of 1887

    H. G. Hertz, Manuel G. Doncel in Archive for History of Exact Sciences (1995)

  2. No Access

    Chapter and Conference Paper

    The problem of internal motion of molecules in the liquid as seen from NMR relaxation studies

    As a brief introduction the most important formulas are given and the crucial physical aspects will be worked out. It is essentially the Woessner theory which gives the framework of the facts to be treated. A ...

    H. G. Hertz in Rotational Dynamics of Small and Macromolecules (1987)

  3. No Access

    Article

    Effect of strongly interacting solutes on group rotational correlation functions in ethanol

    Proton magnetic relaxation rates of solutions of LiCl and LiI in isotopically labelled ethanols CH3CD3OD, CD3CH2OD and CD3CD2OH have been measured as functions of temperature and concentration mostly at v=30 MHz,...

    M. S. Ansari, H. G. Hertz in Journal of Solution Chemistry (1986)

  4. No Access

    Article

    Nuclear spin relaxation and intermolecular interactions

    H G Hertz, A Kratochwill, H Weingärtner in Proceedings of the Indian Academy of Scien… (1985)

  5. No Access

    Article

    Effect of ion-solvation on the internal dynamics of the ethanol molecule as studied using NMRB′coefficients

    The modification of reorientational correlation times for the various kinds of chemically non-equivalent protons of the ethanol molecule as a result of ionsolvation has been investigated with the help of NMR B...

    M. Shahid Ansari, H. G. Hertz in Journal of Solution Chemistry (1984)

  6. No Access

    Article

    Search for hydrophobic association between small aprotic solutes from an application of the nuclear magnetic relaxation method

    Proton and deuteron magnetic relaxation rates of the four solutes acetone, acetonitrile, trimethylamine, and tetramethylurea in their aqueous mixtures are reported. For the normal and deuterated organic substa...

    H. Leiter, K. J. Patil, H. G. Hertz in Journal of Solution Chemistry (1983)

  7. No Access

    Article

    A study of association by hydrogen bonding in the system phenol-CCl4 by the nuclear magnetic relaxation method

    The system phenol-CCl4 was studied by measuring proton and deuteron magnetic relaxation rates and self-diffusion coefficients at 25°C. From these data intermolecular relaxation rates have been calculated. By mean...

    W. Koch, H. Leiter, H. G. Hertz in Journal of Solution Chemistry (1981)

  8. No Access

    Article

    Velocity correlations in aqueous electrolyte solutions from diffusion, conductance and transference data: Application to concentrated solutions of nickel chloride and magnesium chloride

    Velocity cross-correlation coefficients have been calculated for aqueous solutions of NiCl 2 and MgCl 2 up to concentrations of 4M. Examinatio...

    A. Geiger, H. G. Hertz, R. Mills in Journal of Solution Chemistry (1981)

  9. No Access

    Article

    Study of weak Mn2+ and Cu2+ complexes by a nuclear magnetic resonance method

    An NMR method is described and applied, which allows the investigation of the first coordination sphere of certain transition metal ions. It is based on the measurement of the solvent proton nuclear magnetic r...

    M. Holz, N. W. Lutz, F. Blumenthal, H. G. Hertz in Journal of Solution Chemistry (1980)

  10. No Access

    Article

    Nuclear magnetic relaxation and ionic solvation of23Na+ and81Br− in aqueous mixtures of simple amides

    Ion-solvent interactions of Na+ and Br− in binary aqueous mixtures of formamide,N-methylformamide (NMF), andN,N-dimethylformamide (DMF) are studied by use of23Na and81Br magnetic relaxation times, extrapolated to...

    M. Holz, H. Weingärtner, H. G. Hertz in Journal of Solution Chemistry (1978)

  11. No Access

    Article

    Some structural aspects in binary aqueous mixtures of simple amides from rotational molecular motions

    Nuclear magnetic relaxation rates of2D and14N in binary aqueous mixtures of formamide,N-methylformamide (NMF), andN,N-dimethylformamide (DMF) are reported as a function of the mixture composition. From these intr...

    H. Weingärtner, M. Holz, H. G. Hertz in Journal of Solution Chemistry (1978)

  12. No Access

    Article

    An analysis of the total ion-solvent encounter configuration of ClO 4 − and BF 4 − with Na+ and Li+ in water, studied by various nuclear magnetic relaxation times. Part 21

    Proton relaxation rates of the solvent water in NaClO4, NaBF4, LiClO4, and NiBF4 solutions together with some self-diffusion coefficients are reported and interpreted in terms of structure-breaking effects.19F re...

    M. Contreras, H. G. Hertz in Journal of Solution Chemistry (1978)

  13. No Access

    Article

    Proton magnetic relaxation study of water orientation around I− and Li+

    Proton relaxation time measurements are performed for 6m aqueous solutions of7LiI and6LiI in D2O containing small amounts of H2O. The measurements are done at low temperatures and yield maxima of the relaxation r...

    A. Geiger, H. G. Hertz in Journal of Solution Chemistry (1976)

  14. No Access

    Chapter and Conference Paper

    Translational Motions as Studied by Nuclear Magnetic Resonance

    This article treats translational motion in the laboratory coordinate system, i.e. self-diffusion, and relative translational motion with respect to a given reference molecule. In the first topic emphasis lies...

    H. G. Hertz in Molecular Motions in Liquids (1974)

  15. No Access

    Article

    Nuclear magnetic relaxation and structure of aqueous solutions

    By the interpretation of the intermolecular nuclear magnetic relaxation rate of19F the orientation of the water molecules in the hydration sphere of F− can be determined. Similarly, the orientation of the water m...

    H. G. Hertz in Journal of Solution Chemistry (1973)

  16. No Access

    Chapter

    Nuclear Magnetic Relaxation and Structure of Aqueous Solutions

    By the interpretation of the intermolecular nuclear magnetic relaxation rate of 19F the orientation of the water molecules in the hydration sphere of F− can be determined. Similarly, the orientation of the water ...

    H. G. Hertz in The Physical Chemistry of Aqueous System (1973)

  17. No Access

    Chapter

    Nuclear Magnetic Relaxation Spectroscopy

    As in all liquids, so, too, in water the molecules undergo thermal motion. The self-diffusion coefficient D describes the nature of the erratic translational motion: 1

    H. G. Hertz in Aqueous Solutions of Simple Electrolytes (1973)

  18. No Access

    Article

    Chemical shifts of aqueous nonelectrolyte solutions: Influence of the polar and nonpolar groups on the water proton shifts at 0°C

    Hydroxyl-proton chemical shifts of alcohol mixtures and aqueous solutions containing some nonelectrolytes (alcohols, ketones, cyclic ethers, and amines) have been measured at 60 MHz and at 0°C. Methyl-proton r...

    Wen-Yang Wen, H. G. Hertz in Journal of Solution Chemistry (1972)