Lagier C M, Olivieri A C
Departamento de Química Analítica, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Argentina.
Solid State Nucl Magn Reson. 1994 Jun;3(3):163-70. doi: 10.1016/0926-2040(94)90011-6.
Several methods are used to retrieve the principal components of the 31P chemical shielding tensor from variable-temperature 31P NMR spectra of urea phosphate (both static and spinning at the magic angle at low speeds). A complementary approach is proposed for the study of small changes in these parameters, based on the measurement of selected side-band intensities which are most sensitive to changes in sigma.
有几种方法可用于从磷酸脲的变温31P NMR谱(包括静态以及在低速魔角旋转下)中获取31P化学屏蔽张量的主成分。基于对最敏感于σ变化的选定边带强度的测量,提出了一种用于研究这些参数微小变化的补充方法。