1H NMR relaxation studies on glycerine-water and dioxan-water with paramagnetic ions

被引：2
|
作者：
Aroulmoji, V [1 ]
Rao, AS [1 ]
机构：
[1] Pondicherry Univ, Raman Sch Phys, Pondicherry 14, India
来源：
PHYSICS AND CHEMISTRY OF LIQUIDS | 2000年 / 38卷 / 06期
关键词：
NMR; paramagnetic ions; molecular association and viscosity;
D O I：
10.1080/00319100008030319
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The Proton magnetic Resonance (PMR) spin-lattice and spin-spin relaxation times (T-1 and T-2) were measured in highly viscous (glycerine-water) and less viscous (dioxan - water) systems at different temperatures. The values of relaxation times increase with increasing the temperature. This result is interpreted as due to the combined effect of viscosity and temperature in these solutions. The relaxation rimes were also measured in these solutions containing paramagnetic ions (PMI). The results indicate that the possibility of an anti-parallel bonding of the paramagnetic ions is higher in highly viscous solutions as compared to low viscous systems and the association in the above mixtures appears to be weak.
引用
收藏
页码：723 / 741
页数：19
相关论文
共 50 条
  • [31] Relaxation of water protons in highly concentrated aqueous protein systems studied by 1H NMR spectroscopy
    Szuminska, K
    Gutsze, A
    Kowalczyk, A
    ZEITSCHRIFT FUR NATURFORSCHUNG C-A JOURNAL OF BIOSCIENCES, 2001, 56 (11-12): : 1075 - 1081
  • [32] 1H NMR T2 relaxation in contact lens hydrogels as a probe of water mobility
    McConville, P
    Pope, JM
    POLYMER, 2001, 42 (08) : 3559 - 3568
  • [33] Speciation of complexes of CaII, MgII and ZnII with 1,10-phenanthroline in dioxan-water mixtures
    Devi, K. V. Santhee
    Raju, B. Rama
    Rao, G. Nageswara
    JOURNAL OF THE INDIAN CHEMICAL SOCIETY, 2011, 88 (04) : 567 - 571
  • [34] A 1H NMR relaxation study of hydration water in polyelectrolyte mono and multilayers adsorbed to colloidal particles
    Schwarz, B
    Schönhoff, M
    COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, 2002, 198 : 293 - 304
  • [35] Collisional cross-section of water molecules in vapour studied by means of 1H relaxation in NMR
    Mammoli, Daniele
    Canet, Estel
    Buratto, Roberto
    Mieville, Pascal
    Helm, Lothar
    Bodenhausen, Geoffrey
    SCIENTIFIC REPORTS, 2016, 6
  • [36] The freezing of water bound to the cellulose as observed by 1H NMR
    Kluza, M
    Blicharska, B
    XXXII POLISH SEMINAR ON NUCLEAR MAGNETIC RESONANCE AND ITS APPLICATIONS, PROCEEDINGS, 2000, 29 : 39 - 41
  • [37] 1H NMR relaxation and spectroscopy of kinetin
    Popenda, L
    Utrecht, R
    Slósarek, G
    Holderna-Natkaniec, K
    Wasicki, J
    NUCLEAR MAGNETIC RESONANCE AND ITS APPLICATIONS, PROCEEDINGS, 2001, 33 : 114 - 117
  • [38] Dynamics of Chitosan by 1H NMR Relaxation
    Novoa-Carballal, Ramon
    Fernandez-Megia, Eduardo
    Riguera, Ricardo
    BIOMACROMOLECULES, 2010, 11 (08) : 2079 - 2086
  • [39] Dynamical Properties of N-Isopropylacrylamide Molecule in Water Revealed by 1H NMR Studies
    Sasaki, Shigeo
    JOURNAL OF PHYSICAL CHEMISTRY B, 2016, 120 (01): : 184 - 192
  • [40] Determination of the effective correlation time modulating 1H NMR relaxation processes of bound water in protein solutions
    Yilmaz, Ali
    Budak, Hatice
    Ulak, F. Sadan
    MAGNETIC RESONANCE IMAGING, 2008, 26 (02) : 254 - 260
12345