Number of repetition | Value of F14C |
---|---|
1 | 0.224 ± 0.006 |
2 | 0.241 ± 0.007 |
3 | 0.237 ± 0.006 |
4 | 0.225 ± 0.006 |
5 | 0.242 ± 0.007 |
6 | 0.230 ± 0.006 |
7 | 0.236 ± 0.006 |
8 | 0.240 ± 0.007 |
9 | 0.230 ± 0.006 |
10 | 0.231 ± 0.006 |
Counting region | Background of blank sample (cpm) | Standard (cpm) | Efficiency (%) | FOM (E2/B) |
---|---|---|---|---|
20–85 | 0.42 ± 0.04 | 1072 ± 2 | 60 | 8571 |
15–105 | 0.63 ± 0.04 | 1276 ± 2 | 70 | 7778 |
10–95 | 0.93 ± 0.05 | 1407 ± 3 | 77 | 6375 |
Number of repetition | Value of F14C |
---|---|
1 | 0.244 ± 0.008 |
2 | 0.235 ± 0.006 |
3 | 0.227 ± 0.006 |
4 | 0.242 ± 0.007 |
Validation parameters | Value | |
---|---|---|
1.51% | ||
Mean Reference value = pMCreference/100 = 0.2305 ± 0.0002 | 0.23 Reference value = pMCreference/100 = 0.2305 ± 0.0002 | |
0.01 | ||
0.02 | ||
2.70% | ||
0.24 | ||
0.01 | ||
0.02 | ||
3.30% | ||
2.98 | ||
0.003 | ||
0.58 |
Sample Code | Sample type | Reference value (F14C) Reference value = pMC reference/100 | σtarget | Lab Value (F14C) | σLab | z-score | tSIE tSIE =Transformed Spectral Index of the External Standard, the quench parameter |
---|---|---|---|---|---|---|---|
D | Barley | 0.1030 | 0.0100 | 0.1038 | 0.0210 | 0.04 | 682 |
U | Humic acid | 0.2308 | 0.0002 | 0.2298 | 0.0083 | –0.12 | 683 |
R | Murex shell | 0.7334 | 0.0004 | 0.7210 | 0.0176 | –0.70 | 685 |
IAEA-C2 | Travertine | 0.4114 | 0.0003 | 0.4217 | 0.0114 | 0.90 | 682 |
IAEA-C7 | Oxalic acid | 0.4935 | 0.0012 | 0.4810 | 0.0130 | –0.96 | 680 |