Page 283 - Advances in Forensic Applications of Mass Spectrometry - Jehuda Yinon

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Reference 21 33 39 38 25 43 43 22, 23

Ion Assignment [RDX + CH 3 COO] – [RDX + CH 3 COO] – [RDX+NO 2 -H] – [RDX+NO 2 +CH 3 O+2H] – [RDX + CHOO] – [M – H] – [M +NO 2 – H] – [M + NO 2 ] – [M + NNO 2 – H] – [RDX + CHOO] – [RDX + CH 3 CO 2 ] – [RDX + NO 3 ] – [RDX + H 2 CO + HCO 2 ] – [RDX+H 2 CO+CH 3 CO 2 ] – [RDX + NO 3 ] –

Ions [M + 59] – [M + 44] – [M + 45] – [M + 59] – [M + 75] – [M + 45] – [M + 75] – [M + 45] – [M – 1] – [M + 45] – [M + 46] – [M + 59] – [M + 45] – [M + 59] – [M + 62] – [M + 75] – [M + 89] – [M + 62] –

ESI or APCI ESI ESI ESI ESI ESI ESI ESI ESI

Instrument Quadrupole Quadrupole Triple quadrupole Ion Trap Ion Trap FT ICR FT ICR Triple quadrupole
Adduct ions in LC/MS Mass Spectra of RDX

2 mM ammonium acetate (NH 4 )COOCH 3 5 mM ammonium acetate (NH 4 )COOCH 3 No additive NH 4 HCOO No additive 0.5% ammonium acetate NH 4 CH 3 COO NH 4 OH 1 mM ammonium nitrate

Additive 10 mM ammonium formate 0.5% ammonium hydroxide

Table 6.2 Mobile phase Acetonitrile–water (50:50) Methanol–water (75:25) Methanol–water (50:50) Methanol–water (50:50) Methanol–water (50:50) Acetonitrile Acetonitrile Methanol–water (50:50) © 2004 by CRC Press LLC