Analisi isotopi dell’Azoto 15N / 14N    

  Description Method Sample Time
      Size  
        (days)
  Agricultural Services      
   15N of ground plant or soil – duplicate EA-IRMS 0.5 g 21
   15N of ground plant or soil – 20% in duplicate EA-IRMS 0.5 g 21
   15N of ground plant or soil – pre-prepared capsule EA-IRMS Enquire 21
   15N and 13C of ground plant or soil – duplicate EA-IRMS 0.5 g 21
   15N and 13C of ground plant or soil – 20% in duplicate EA-IRMS 0.5 g 21
   15N and 13C of ground plant or soil – pre-prepared capsule EA-IRMS Enquire 21
   15N of ground plant or soil (nitrogen-15 enriched) – duplicate EA-IRMS 0.2 g 21
         
  Ecological Services      
   15N of dry plant or animal tissue – duplicate EA-IRMS 0.2 g 21
   15N of dry plant or animal tissue – 20% in duplicate EA-IRMS 0.2 g 21
   15N of dry plant or animal tissue – pre-prepared capsule EA-IRMS Enquire 21
   15N and 13C of dry plant or animal tissue – duplicate EA-IRMS 0.2 g 21
   15N and 13C of dry plant or animal tissue – 20% in duplicate EA-IRMS 0.2 g 21
   15N and 13C of dry plant or animal tissue – pre-prepared capsule EA-IRMS Enquire 21
   15N of marine filtrate – per 25 mm filter EA-IRMS Enquire 21
   15N and 13C of marine filtrate – per 25 mm filter EA-IRMS Enquire 21
         
  Forensic Services      
   15N of organic solid – priority – triplicate EA-IRMS 0.1 g 14
   15N of organic liquid – priority – triplicate EA-IRMS 1 mL 14
   15N and 13C of organic solid – priority – triplicate EA-IRMS 0.1 g 14
   15N and 13C of organic liquid – priority – triplicate EA-IRMS 1 mL 14
         
  Medical Services      
    15N of dried end-product or metabolite EA-IRMS 0.2 g 21
         
  Standard Calibration Services      
   15N of solid or liquid – 3 days x 5 reps. EA-IRMS 1 g 21
   15N and 13C of solid or liquid – 3 days x 5 reps. EA-IRMS 1 g 21

Le quantità del campione fornite sono solo a scopo indicativo. L’analisi mediante EA-IRMS necessita normalmente  di 1 – 5 mg di quantità di campione. I tempi di consegna dei campioni indicati sono tipici per l’analisi di 40 campioni