Simultaneous determination of 14N and 15N isotopes in opium by proton induced γ-ray emission technique

This publication has 7 references indexed in Scilit:

• Isotope ratio mass spectrometry: δ ¹³ C and δ ¹⁵ N analysis for tracing the origin of illicit drugs
  Rapid Communications in Mass Spectrometry, 2005
• Tracing the geographical origin of cocaine
  Nature, 2000
• Geo-location of heroin and cocaine by stable isotope ratios
  Forensic Science International, 1999
• Nuclear microprobe analysis of 14N and 15N in soybean leaves
  Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 1993
• A Rapid Gas Chromatographic Method for the Fingerprinting of Illicit Cocaine Samples
  Journal of Forensic Sciences, 1992
• Variation in Natural Abundance of 15N among Plant Parts and in 15N/14N Fractionation during N2 Fixation in the Legume-Rhizobia Symbiotic System
  Plant and Cell Physiology, 1986
• Nitrogen determination with external beam proton induced gamma-ra emission analysis
  Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 1984