Analisi Isotopi dell’Azoto

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