The δ66Zn of the soil standardsa.
| Sample | δ 66Zn | 2SD | δ 68Zn | 2SD | N |
|---|---|---|---|---|---|
| GSS-1a | 0.33 | 0.02 | 0.68 | 0.05 | 6 |
| GSS-1a-R | 0.31 | 0.04 | 0.64 | 0.06 | 6 |
| GSS-2a | 0.25 | 0.01 | 0.54 | 0.03 | 6 |
| GSS-3a | 0.21 | 0.03 | 0.44 | 0.01 | 6 |
| GSS-4a | 0.25 | 0.02 | 0.50 | 0.05 | 6 |
| GSS-5a | 0.25 | 0.02 | 0.46 | 0.11 | 6 |
| GSS-6a | 0.61 | 0.02 | 1.23 | 0.06 | 6 |
| GSS-6a-R | 0.60 | 0.05 | 1.21 | 0.08 | 6 |
| GSS-7a | 0.35 | 0.04 | 0.70 | 0.04 | 6 |
| GSS-8a | 0.19 | 0.04 | 0.42 | 0.07 | 6 |
| GSS-13 | 0.27 | 0.03 | 0.53 | 0.07 | 6 |
| GSS-14 | 0.25 | 0.03 | 0.52 | 0.02 | 6 |
| GSS-17 | 0.20 | 0.05 | 0.47 | 0.12 | 6 |
| GSS-18 | 0.27 | 0.05 | 0.54 | 0.09 | 6 |
| GSS-19 | 0.23 | 0.03 | 0.52 | 0.11 | 6 |
| GSS-20 | 0.30 | 0.04 | 0.62 | 0.09 | 6 |
| GSS-21 | 0.27 | 0.04 | 0.55 | 0.08 | 6 |
| GSS-22 | 0.21 | 0.06 | 0.40 | 0.06 | 6 |
| GSS-23 | 0.24 | 0.03 | 0.51 | 0.03 | 6 |
| GSS-24 | 0.29 | 0.04 | 0.58 | 0.12 | 6 |
| GSS-26 | 0.23 | 0.03 | 0.46 | 0.07 | 6 |
| GSS-27 | 0.28 | 0.05 | 0.55 | 0.03 | 6 |
| GSS-28 | 0.31 | 0.01 | 0.66 | 0.06 | 6 |
| GSS-28-R | 0.28 | 0.06 | 0.57 | 0.04 | 6 |
| HTSB-2 | 0.23 | 0.06 | 0.47 | 0.12 | 6 |
| HTSB-5 | 0.32 | 0.04 | 0.64 | 0.01 | 6 |
| NSA-1 | 0.14 | 0.06 | 0.29 | 0.10 | 6 |
| NSA-5 | 0.23 | 0.02 | 0.47 | 0.04 | 6 |
| NSA-6 | 0.28 | 0.01 | 0.55 | 0.05 | 6 |
N = testing frequency.