2.5 Mass Spectrometry
35
Indication of Cl: Isotope peak [M+2] +· ≥ 33% of M +·
Δm 35, 36 from M +·
Δm 36 from frag +
m/z 35/37, 36/38, 49/51
Indication of Br: Isotope peak [M+2] +· ≥ 98% of M +·
Δm 79, 80 from M +·
Δm 80 from frag +
m/z 79/81, 80/82
Indication of I: Isotope peak [M+1] + of very low abundance at relatively high
mass
Δm 127 from M +·
Δm 127, 128 from frag +
m/z 127, 128, 254
Indication of P: m/z 47 in compounds without S or 2 × O
m/z 99 without isotope peak at m/z 100 in alkyl phosphates