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What is The Difference Between Low-field NMR and High-field NMR
В целом, high-field NMR means the magnet field is higher than 1Tesla, middle-field NMR means the magnet field is between 1Tesla and 0.5Tesla, low-field NMR means the magnet field is lower than 0.5T. They have different application fields.Low-field NMR is used for analyzing the reaction among molecules. Например, water can be divided into combine water, free water according to water molecule’s phase, cross-link density of polymer. And high-field NMR is used for molecule structure analysis.