Abstract
AbstractAdjusting conditions of pulse sequences for high‐resolution nmr in solids are demonstrated by the example of the WHH4 cycle. For this pulse sequence the well‐known adjusting condition [1] occurs as limiting case at sufficiently weak dipolar interaction. The relations between the pulse rotation angle and interval time proved to be dependent on the dipolar interaction. Therefore it is impossible to suppress the dipolar interaction in ordinary solids completely.If the strength of the dipolar interaction varies in a range depending on the allowable inhomogeneity of the rf field a spectrometer for high‐resolution nmr in solids can be adjusted in an almost optimal way.
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