研究所、轉學考(插大)-物化分析題庫下載題庫

9.Graphs shown below are data obtained by the following analytical methods (from left to right): IR, NMR, EPR, and MS. What are the correct x-axis labels and units? (4%)
(A) Micrometer (um) - magnetic field (MHz) - magnetic field (G) - atomic mass unit (Da)
(B) Wavenumber (1/cm) - magnetic field (MHz) - magnetic field (G) - atomic mass unit to charge ratio (Da/z)
(C)Wavenumber (1/cm)- chemical shift (ppm) - magnetic field (G) - atomic mass unit to charge ratio (Da/z)
(D)Micrometer (μm) - chemical shift (ppm)- Coulomb （C） - atomic mass unit (Da)
(E)Wavenumber (1/cm) -chemical shift (ppm)- resistance (Ω) - atomic mass unit (Da)