type of material | item | sample amount | note |
water | chemical components | 500ml |
|
water | δ18O | 20ml | LWIA or IRMS |
water |
δD | 20ml |
LWIA or IRMS |
water |
δ13C | 100ml |
|
water | δ34S | 2mgS |
|
water |
δ18O (SO4 -2) | 10mgSO4-2 |
|
water |
δ15N (T-N) | Pls Ask |
|
water |
δ15N (NO3-) | Pls Ask |
|
water |
δ18O (NO3-) |
10mg SO42- |
|
water |
δ37Cl | 5mgCl |
|
water |
87/Sr/86Sr | 0.2mgSr | |
water |
Tritium |
500mg | electrolytic enrichment-scintillation counter |
water |
C14 | 1L | AMS |
water |
222Rn | Pls Ask | scintillation counter |
water |
36Cl | 5mgCl | AMS |
water | 129I | 0.01mgI | AMS |
water |
CFCs | 0.1L×3 |
|
water |
SF6 | 1L×2 |
|
water |
He |
Pls Ask |
|
organic materials | δ13C) | 1mgC |
|
organic materials |
δ15N | 0.5mgN |
|
organic materials |
δ34S |
2mgS
|
IRMS |
carbonate |
δ18O | 2mgCaCO3 |
|
carbonate |
δ13C | 2mgCaCO3 |
|
sulfate |
δ34S | 2mgS | |
sulfate |
δ18O | 20mgBaSO4 |
|
silicate | δ18O | 5mgSiO2 | |
silicate |
δD | 5mg | |
sediment |
210Pb and 137Cs | 5g | ganma spec /only natural level |
rock, sediment |
fluorescent X-ray analysis | 10g or 20g |