Table 7 Uncertainty budget indexes of simulated CRM 112A/CRM 149 IDMS mixtures
From: Expanded uncertainty modeling of the uranium isotope dilution standards
Quantity | SP 1-1 (%) | SP 1-2 (%) | SP 2-1 (%) | SP 2-2 (%) | SP 3-1 (%) | SP 3-2 (%) | SP 4-1 (%) | SP 4-2 (%) |
|---|---|---|---|---|---|---|---|---|
R58mix | 39.1 | 4.2 | 16.7 | 55.2 | 8.1 | 9.1 | 3.3 | 1.6 |
R58Sample | 0.7 | 0.9 | 4.4 | 2.4 | 9.9 | 9.8 | 42.1 | 42.1 |
δCF58comparator | 4.1 | 6.5 | 7.3 | 3.9 | 6.5 | 6.3 | 3.8 | 3.9 |
δ R58comparator | 56.1 | 88.3 | 71.6 | 38.4 | 75.5 | 74.7 | 50.9 | 52.4 |
Expanded uncertainty (k = 2) | 0.083 | 0.066 | 0.074 | 0.1 | 0.072 | 0.072 | 0.087 | 0.085 |