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A new wide‐line NMR analyzer and its use in determining the solid‐liquid ratio in fat samples
Author(s) -
Mansfield Peter B.
Publication year - 1971
Publication title -
journal of the american oil chemists' society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.512
H-Index - 117
eISSN - 1558-9331
pISSN - 0003-021X
DOI - 10.1007/bf02673231
Subject(s) - reproducibility , spectrum analyzer , calibration , analytical chemistry (journal) , materials science , chromatography , line (geometry) , chemistry , process engineering , computer science , mathematics , engineering , telecommunications , statistics , geometry
A new, simple, inexpensive wide line NMR analyzer is commercially available and suitable for several applications in the oils and fats industry. Its use to determine the solid‐liquid ratio in fats has been studied in particular, and it has been found that the solids content of a fat can be determined at four temperatures in approximately one hour. The reproducibility of the measurements is 1% absolute solids. The results obtained are compared with those obtained by dilatometry on the same samples. Several different methods of calculation and operation were tried; differences in the results are given. Arguments for and against four particular methods of calibration are discussed.