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Revista de la Sociedad Química de México
versión impresa ISSN 0583-7693
Resumen
BORCEGUI-RUBIO, Juan; CHAVEZ, María Isabel y DEL RIO-PORTILLA, Federico. Aplicaciones de la medición precisa de constantes de acoplamiento en resonancia magnética nuclear. Rev. Soc. Quím. Méx [online]. 2001, vol.45, n.4, pp.200-205. ISSN 0583-7693.
Several methods for accurate measuring coupling constants are shown. Coupling constants are measured by modified J doubling to simplify and facilitate complex multiplet interpretation. Small coupling constants are measured when they are immersed in the line width for borneol signals. Coupling constants of azo naphtols are measured when a proton, methyl and methoxy groups are interchanged in the molecule. It is shown that modified J doubling has ± 0.03 Hz of accuracy in favorable cases
Palabras llave : J doubling; spin-spin coupling constant; deconvolution; convolution; azo naphtols; borneol.