期刊
JOURNAL OF MAGNETIC RESONANCE
卷 269, 期 -, 页码 97-103出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jmr.2016.05.015
关键词
NMR; Signal calibration; Pore size distribution; Confined liquid; Cryoporometry
资金
- National Centre for Research and Development [PBS2/A2/16/2013]
In cryoporometric experiments non-linear effects associated with the sample and the probehead bring unwanted contributions to the total signal along with the change of temperature. The elimination of these influences often occurs with the help of an intermediate measurement of a separate liquid sample. In this paper we suggest an alternative approach under certain assumptions, solely based on data from the target experiment. In order to obtain calibration parameters the method uses all of these raw data points. Its reliability is therefore enhanced as compared to other methods based on lesser number of data points. Presented approach is automatically valid for desired temperature range. The need for intermediate measurement is removed and parameters for such a calibration are naturally adapted to the individual sample-probehead combination. (C) 2016 Elsevier Inc. All rights reserved.
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