OXYGEN ISOTOPE ANALYSIS (18O/16O)

For oxygen isotope analysis of your samples, please request pricing here.

  Description Method Sample Time
      Size  
        (days)
  Agricultural Services      
   18O of cellulose – duplicate EA-IRMS 0.1 g 28
   18O of cellulose – 20% in duplicate EA-IRMS 0.1 g 28
   18O of water – duplicate equilibration 5 mL 14
   18O and 2H of water – duplicate equilibration 5 mL 14
   Azeotropic distillation of water from plant or soil Enquire 21
         
  Ecological Services      
   18O of animal tissue – duplicate EA-IRMS 0.1 g 28
   18O of animal tissue – 20% in duplicate EA-IRMS 0.1 g 28
   18O of nitrate – duplicate EA-IRMS Enquire 28
   18O of nitrate – 20% in duplicate EA-IRMS Enquire 28
   18O of water – duplicate equilibration 5 mL 14
   18O and 2H of water – duplicate equilibration 5 mL 14
   Azeotropic distillation of water from plant or soil Enquire 21
         
  Forensic Services      
   18O of organic solid – priority – triplicate EA-IRMS Enquire 14
   18O of organic liquid – priority – triplicate EA-IRMS Enquire 14
         
  Geochemical Services      
   18O of water or brine – triplicate equilibration 5 mL 14
   18O and 2H of water or brine – triplicate equilibration 5 mL 14
   18O & 13C of carbonate by acid digestion – duplicate CF-IRMS 0.2 g 21
   Sampling of carbonate from mineral Enquire 21
         
  Medical Services      
   18O for total body water measurement – duplicate equilibration 1 mL 14
   18O and 2H of doubly labelled water – duplicate equilibration 1 mL 14
         
  Services for Authentication of Foodstuffs      
   18O of water in fruit juice – priority – triplicate equilibration 10 mL 7
   18O and 2H of water in fruit juice – priority –  triplicate equilibration 10 mL 7
         
  Standard Calibration Services      
   18O of water – 3 days x 5 reps. equilibration 20 mL 21
   18O & 2H of water – 3 days x 5 reps. equilibration 20 mL 21

The above services are routinely undertaken and available immediately. The sample sizes given are for guidance purposes only. Analysis by EA-IRMS will normally only consume 1 - 5 mg of sample material. Unused sample material will be returned upon request. The sample turnaround times given are typical for analysis of 40 samples.

Please contact us if the analyses you require are not listed.