2.6 2.7 2.8 2.9 3 3.5 4 4.5 5 5.5 6 7 8 9 10 11 12 13 14 15 16380036003400320030002800260024002200 2000 1800 1600 1400 1200 1000 800 600Wavelength (μm)Wavenumber (cm−^1 )% Transmittance2.5400020 40 60 80 100 120Relative abundance 154140 160
m/z1057779100500b.
87654 3210
δ (ppm)
frequencyProblems 591