Nuclear magnetic resonance mercury

Figure 3 P NMR spectrum of SUV liposomes with 20 mol% incorporated STPP. Spectrum was taken using a VARIAN Mercury 300 NMR spectrometer, 5P as indicated in the figure. Abbreviations NMR, nuclear magnetic resonance STPP, stearyl triphenylphosphonium SVV, small unilamellar vesicle. Source From Ref 30.

All the experiments were carried out at 18 C under high vacuum (10 mm of mercury) in sealed glass vessel supplied with an ultra-violet cell. Before polymerization the apparatus is care -fully and successively washed with a cyclohexane solution of butyllithium and cyclohexane. The stability of complexed poly-isoprenyllithium has been verified by protonic nuclear magnetic resonance and ultra violet spectroscopy (18)... 

Craig, P.J., D. Mennie, M.I. Needham, O.F.X. Donard, and F. Martin. 1993. Mass spectroscopic nuclear magnetic resonance evidence confirming the existence of methyl mercury hydride. J. Organomet. Chem. 447 5-8. 

Cornell, D. A. Structure Study of Liquid Gallium and Mercury by Nuclear Magnetic Resonance. Phys. Rev. 153, 208 (1967). 

P. Granger, Groups 11 and 12 Copper to mercury, in Transition Metal Nuclear Magnetic Resonance , ed. P. S. Pregosin, Elsevier, Amsterdam, 1991, p. 264. 

Other applications. Phenylmercuric acetate has been used in aqueous preparations such as inks, adhesives, and caulking compounds, as a catalyst for the manufacture of certain polyurethanes, and as a fungicide in seed dressings and interior and exterior paints (IARC 1993 Reese 1990). Dimethylmercury is used to prepare mercury nuclear magnetic resonance standards (Blayney et al. 1997) and mass spectrometer mercury calibration standards (Toribara et al. 1997). 

Fuhr, B.J., Rabenstein, D.L., 1973. Nuclear magnetic resonance studies of the solution chemistry of metal complexes. IX. The binding of cadmium, zinc, lead and mercury by glutathione. J. Am. Chem. Soc. 95, 6944-6950. 

Dimethylmercury is used as a reagent in inorganic synthesis, and as a reference standard for mercury nuclear magnetic resonance (Hg NMR). It is an environmental pollutant found in bottom sediments and also in the bodies of birds and marine mammals such as whales and fishes. It occurs in fishes and birds along with monomethytmercury. In humans, its presence is attributed to the consumption of pilot whale meat, cod fish, and other sea food. 

ECD, VCD, Raman optical activity (ROA), and ORD are at disposal in a spectral range between the IR and the vacuum UV. ACD and AORD, the CD and ORD of chiral anisotropic phases are only available in the UV/vis spectral range. The specific rotation, as a standard, is measmed with the sodium D-line. For special applications other lines, e.g., mercury lines, have been taken. Indirect methods for chiroptical analyses are the nuclear magnetic resonance (NMR) spectroscopy of diastereomeric compounds and the chiral induction of cholesteric phases (helical twisting power (HTP)) combined with ACD/ CD and the corresponding selective reflection. 

The use of complementary experimental techniques as a numerical and visual basis in the formulation of more realistic and applicable pore structure characterisation models has become widespread. Examples of the use of these techniques include mercury porosimetry [9] in the study of entrapment hysteresis in porous media, and in the characterisation of permeable solids [7], the use of NMR (nuclear magnetic resonance) in the heterogeneous and hierarchical stractural modelling of porous media [8,10], and flie use of SEM imaging techniques [7,11]. 

Granger P (1991) Groups 11 and 12 copper to mercury. In Pregosin PS (ed) Transition Metal Nuclear Magnetic Resonance, pp 265-346. Amsterdam Elsevier. 

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