Table 3.
Mass bias correction method | Number of sample aliquots | δ66ZnLyon (‰) | 2 SD | |
---|---|---|---|---|
Imperial Zn | DS | 8 | 0.10 | 0.08 |
SSB | 6 | 0.11 | 0.07 | |
London Zn | DS | 10 | 0.08 | 0.04 |
SSB | 12 | 0.11 | 0.04 | |
Spec-pure | DS | 11 | −7.07 | 0.08 |
SSB | 6 | −6.96 | 0.07 | |
BCR 027 Blend Ore | DS | 4 | 0.25 | 0.06 |
Basalt from East Pacific Rise (NHM SO 40 31D) | DS | 1 | 0.29 | 0.07 |
Ryegrass BCR 281 | DS | 7 | 0.40 | 0.09 |
Soil sample 1 | ||||
Bulk | DS | 1 | 0.34 | 0.11 |
Leach | DS | 1 | 0.60 | 0.08 |
Soil sample 2 | ||||
Bulk | DS | 1 | 0.37 | 0.15 |
Leach | DS | 1 | 0.58 | 0.08 |
δ values are given relative to Lyon Zn. Note that London and Imperial Zn have essentially identical Zn isotope compositions (see top of table). Each number of sample aliquots was analyzed three to five times
DS double spike, SSB sample standard bracketing