Determination of Lidocaine in Dental Pulp by High-Performance Liquid Chromatography Somchart Kanjanawattana, DDS, MSc, Chutima Mangkornkarn, DDS, Prapin Wilairat, BSc(Hon.), MS, PhD, Noppakun Vongsavan, DDS, MSc, PhD Journal of Endodontics Volume 27, Issue 1, Pages 31-35 (January 2001) DOI: 10.1097/00004770-200101000-00009 Copyright © 2001 The American Association of Endodontists Terms and Conditions
Fig 1 Chromatogram of lidocaine-free dental pulp (negative control). The small interfering peak at the retention time of lidocaine (3.55) is shown. AU = Absorbance Unit. Journal of Endodontics 2001 27, 31-35DOI: (10.1097/00004770-200101000-00009) Copyright © 2001 The American Association of Endodontists Terms and Conditions
Fig 2 Chromatogram obtained from the extract of the lower canine of the second dog. Lidocaine and bupivacaine peaks are at retention times of 3.42 and 8.37 min, respectively. AU = Absorbance Unit. Journal of Endodontics 2001 27, 31-35DOI: (10.1097/00004770-200101000-00009) Copyright © 2001 The American Association of Endodontists Terms and Conditions