Amino Acidtrimethylsilylderivative RT(min) Target Ion(Th) Amino Acidtrimethylsilylderivative RT(min) Target Ion(Th)
Ala2TMS 5.306 116.15 Phe1TMS 10.858 120.10
Gly2TMS 5.495 102.10 Cys3TMS 10.957 220.20
Naphthalene IS 6.470 128.10 Glu3TMS 11.445 246.20
Val2TMS 6.779 144.15 Phe2TMS 11.513 192.20
Leu2TMS 7.524 158.15 Asn3TMS 11.848 116.10
Ile2TMS 7.817 158.15 Lys3TMS 12.110 84.10
Pro2TMS 7.864 142.20 Orn3TMS 12.608 142.00
Gly3TMS 7.990 174.15 Lys2TMS methyl ester 12.766 174.00
Nor2TMS 8.174 158.20 Tyr2TMS 12.923 179.15
Ser3TMS 8.708 204.20 Tyr3TMS 13.059 218.20
Thr3TMS 9.081 218.2 Lys4TMS 13.070 174.15
Met2TMS 10.611 176.20 Trp2TMS 14.186 202.15
Asp2TMS 10.637 232.20 Trp3TMS 14.210 202.15
PyrGlu2TMS 10.653 156.20 Trp4TMS 17.856 202.15
Table 1: Target ions and expected retention times of amino acids trimethylsilyl derivatives and Naphthalene internal standard.