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. 2016 Jul 25;11(7):e0159547. doi: 10.1371/journal.pone.0159547

Table 3. Retention times and MS (SIR mode) conditions for quantification.

Peak Cyclic monomers and oligomers Retention time (min) Quantitative ion (m/z) Cone voltage (V)
Peak A PA6 dimer 4.2 227.3 30
Peak B PA6 monomer (CPL) 4.4 113.6 30
Peak C PA6 trimer 4.9 340.4 30
Peak D PA6 tetramer 5.3 453.3 30
Peak E PA6 pentamer 5.5 566.4 40
Peak F PA6 hexamer 5.7 701.8 40
Peak G PA66 monomer 4.5 227.3 30
Peak H PA66 dimer 5.6 453.3 30
Peak I PA66 trimer 5.9 701.8 40