核磁共振样品的磁化率测量与形状因子计算。
Measurement of magnetic susceptibility and calculation of shape factor of NMR samples.
作者信息
Hoffman Roy E
机构信息
Department of Organic Chemistry, Hebrew University, Jerusalem 91904, Israel.
出版信息
J Magn Reson. 2006 Feb;178(2):237-47. doi: 10.1016/j.jmr.2005.09.009. Epub 2005 Oct 25.
PMID:16253530
Abstract
A method for accurate measurement of magnetic susceptibility and determination of the shape factor in an NMR tube is shown. The combination of accurate shape factor determination with susceptibility measurement leads to improved accuracy when measuring chemical shift. This is important for comparing samples in different solvents or under different conditions, such as temperature, solvent, and pH.
摘要
展示了一种用于精确测量核磁共振管中磁化率和确定形状因子的方法。在测量化学位移时，将精确确定形状因子与磁化率测量相结合可提高测量精度。这对于比较不同溶剂或不同条件（如温度、溶剂和pH值）下的样品非常重要。
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