11 |
C |
Isotopes of dissolved methane gas |
13 |
C |
Isotopes of dissolved ethane gas |
15 |
C |
Isotopes of dissolved propane gas |
19 |
C - only |
Isotopes of dissolved CO2 (other than tictoc / dicdoc) |
22 |
C - only |
Isotopes of organic solids |
23 |
C & N |
Isotopes of organic solids |
28 |
C - only |
Isotopes of organic liquids |
29 |
C & N |
Isotopes of organic liquids |
41 |
C |
toc/doc isotopes of fresh waters (< 12 PSU) |
42 |
C |
tic/dic isotopes of fresh or saline waters |
44 |
C |
Isotopes of inorganic solids (graphite) |
68 |
C |
toc/doc isotopes of saline waters (> 12 PSU) |
69 |
C |
toc/doc isotopes of enriched saline waters (> 12 PSU) |
100 |
C & O |
Isotopes of CO2 in air |
120 |
C & O |
Isotopes of pure CO2 in break seals |
121 |
C |
Isotopes of CO2 (low concentrations; gc/pre-con) |
122 |
C |
Isotopes of methane, ethane, propane, butane gas |