Stable isotope questions?
- Staff scientist: Jamie Brown
Stable isotope rates
Prices are subject to change every fiscal year, without prior notice. Duplicates are treated as independent samples and must be paid for.
| Sample type | Data | Instrument | NAU Internal pricing | External pricing |
|---|---|---|---|---|
| C&N in organics, natural abundance | δ13C, δ15N, %C, %N | EA-IRMS | $10 | $15 |
| C&N in organics, enriched | δ13C, δ15N, %C, %N | EA-IRMS | $14 | $19 |
| C&N in microbial salts | δ13C, δ15N, %C, %N | EA-IRMS | $16 | Not Offered |
| C&N in soils or sediments, natural abundance | δ13C, δ15N, %C, %N | EA-IRMS | $11 | $17 |
| C&N in soils or sediments, enriched | δ13C, δ15N, %C, %N | EA-IRMS | $16 | $21 |
| N in ammonium diffusions, natural abundance | δ15N | EA-IRMS | $55 | Not Offered |
| N in ammonium diffusions, enriched | δ15N | EA-IRMS | $57 | Not Offered |
| 18O in organics | δ18O | TC/EA-IRMS | $14 | Not Offered |
| 18O in organics | δ18O | TC/EA-IRMS | $16 | Not Offered |
| N&O in nitrate, natural abundance | δ15N, δ18O | GasBench/PreCon-IRMS | $36 | Not Offered |
| N&O in nitrate, enriched | δ15N, δ18O | GasBench/PreCon-IRMS | $38 | Not Offered |
| CO2 | δ13C | GasBench/PreCon-IRMS | $11 | $19 |
| CO2 | δ18O | GasBench/PreCon-IRMS | $11 | $19 |
| O&H in water (clean) | δD, δ18O | LGR-LWIA | $12 | $20 |