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. Author manuscript; available in PMC: 2013 May 28.
Published in final edited form as: J Chromatogr A. 2009 Nov 10;1217(25):4135–4143. doi: 10.1016/j.chroma.2009.11.006

Fig. 5.

Fig. 5

LOD and LOQ. Extracted ion chromatograms (435→319) of the LOD, 20 amol on column in 1.25 μg of DNA or approximately 5 adducts in 109 nucleosides and the LOQ, 70 amol on column in 1.25 μg of DNA or 2 adducts in 108 nucleosides. The extracted ion chromatogram (435→319) of 1.25 μg calf-thymus DNA on column is also shown as the procedure blank.