Table 2 U–Pb dating results for zircon Plešovice by LA-ICP-QMS (n ≥ 5)
From: Analytical effect of stabilizer volume and shape on zircon U–Pb dating by nanosecond LA-ICP-QMS
Stabilizer | 206Pb/238U Age (Ma, 1σ) | RE (%) | Average age deviation (%)* | Signal washout time (s) | |
|---|---|---|---|---|---|
Type | Volume (mL) | ||||
Squid | 16.3 | 338.08 ± 1.40 | 1.34 | + 0.28 | ~ 9.3 |
Cylinder | 21.2 | 335.53 ± 1.02 | 1.59 | − 0.48 | < 20 |
25.1 | 361.73 ± 5.04 | 1.64 | + 7.3 | > 53 | |
35.3 | 340.10 ± 1.98 | 1.46 | + 0.88 | > 140 | |
125 | 341.21 ± 5.17 | 1.35 | + 1.2 | > 240 | |
21.2 (with 1.0 g stainless wire) | 334.40 ± 1.71 | 1.28 | − 0.81 | ~ 5.7 | |
Cubic | 18.0 | 342.76 ± 2.45 | 1.49 | + 1.7 | > 270 |
Ball | 14.1 | 340.34 ± 2.36 | 1.68 | + 0.95 | > 270 |
Without stabilizer | – | 348.07 ± 1.94 | 1.88 | + 3.3 | ~ 3.1 |
332.11 ± 2.63 | 1.66 | − 1.5 | |||