Name
|
Certified
δ15N (‰ ±1σ)
|
Certified
δ13C (‰±1σ)
|
Observed
δ15N (±1σ)
|
Observed
δ13C (±1σ)
|
Matrix
|
Matrix Classification
|
IAEA60011
|
+1.0 ± 0.2 |
–27.771 ± 0.043 |
±0.063 |
±0.046 |
Caffeine |
High Organic |
USGS4018
|
–4.52 ± 0.06 |
–26.39 ± 0.04 |
±0.041 |
±0.067 |
L-glutamic acid |
High Organic |
USGS6119
|
–2.87 ± 0.04 |
–35.05 ± 0.04 |
±0.027 |
±0.042 |
Caffeine |
High Organic |
USGS6319
|
+37.83 ± 0.06 |
–1.17 ± 0.04 |
±0.052 |
±0.120 |
Caffeine |
High Organic |
USGS8820
|
+14.96 ± 0.14 |
–16.06 ± 0.07 |
±0.046 |
±0.092 |
Collagen |
High Organic |
USGS8920
|
+6.25 ± 0.12 |
–18.13 ± 0.11 |
±0.142 |
±0.094 |
Collagen |
High Organic |
USGS9020
|
+8.84 ± 0.17 |
–13.75 ± 0.06 |
±0.052 |
±0.210 |
Flour |
Plant |
USGS9120
|
+1.78 ± 0.12 |
– 28.28 ± 0.08 |
±0.048 |
±0.111 |
Flour |
Plant |
CSI Blue Grama |
|
|
|
|
Plant tissue |
Plant |
CSI Casein |
|
|
|
|
Protein |
High Organic |
CSI Tuna |
|
|
|
|
Muscle tissue |
High Organic |
CSI Chile |
|
|
|
|
Plant tissue |
Plant |
CSI Soil |
|
|
|
|
Sediment |
Sediment |