Direct determination of tri-n-butyl phosphate by HPLC and GC methods

  • Deepak D. Dicholkar
  • Lalit K. Patil
  • Vilas G. Gaikar
  • Shekhar Kumar
  • U. Kamachi Mudali
  • R. Natarajan


The high performance liquid chromatography and gas chromatography methods were investigated for their applicability in determining micro-level concentrations of tri-n-butyl phosphate (TBP). A high performance liquid chromatograph (HPLC) equipped with refractive index detector was used in determining TBP up to 2 ppm concentration level in the aqueous nitric acid solutions. The gas chromatography incorporated with Thermionic Detector (NPD) and Flame Photometric Detector (FPD) were examined for their potential in analyzing TBP in organic phase up to sub-ppm level. The results indicated that HPLC-RI technique is well suited for direct analysis of aqueous phase. For organic phase analysis, gas chromatographic methods with the TID and FPD were suitable but performance of detectors deteriorated often due to fouling.


TBP Nuclear extractants PUREX HPLC-RI GC-TID-FPD Runaway reactions 


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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2011

Authors and Affiliations

  • Deepak D. Dicholkar
    • 1
  • Lalit K. Patil
    • 1
  • Vilas G. Gaikar
    • 1
  • Shekhar Kumar
    • 2
  • U. Kamachi Mudali
    • 2
  • R. Natarajan
    • 2
  1. 1.Department of Chemical EngineeringInstitute of Chemical TechnologyMatunga, MumbaiIndia
  2. 2.Reprocessing Research and Development DivisionIndira Gandhi Centre for Atomic ResearchKalpakkamIndia

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