WEBVertical scale= intensity of the signal Horizontal scale= chemical shift (d), dependent upon the field strength of the external magnetic field; for 1H, d is usually from 1-10 ppm. n- nTMS chemical shift in Hz d= = no operating frequency in MHz 14,100 gauss: 60 MHz for 1H (60 million hertz) ppm= 60 Hz. 15 MHz for 13C 140,000 gauss: 600 MHz for ...