Table 1 Density of GSR particles vs. shooting distance data for (A_.38SME) and (B_.38SME) revolver at different shooting distances
Shooting distance (cm) | Density of GSR particles | |||||
|---|---|---|---|---|---|---|
(A_.38SME) | (B_.38SME) | |||||
D1 | D2 | Dtotal | D1 | D2 | Dtotal | |
3 | 13.7 ± 0.01 | 2.2 ± 0.01 | 15.9 ± 0.01 | 11.1 ± 0.01 | 1.5 ± 0.00 | 12.6 ± 0.01 |
9 | 12.3 ± 0.01 | 2.1 ± 0.01 | 14.4 ± 0.01 | 10.5 ± 0.00 | 1.3 ± 0.01 | 11.8 ± 0.00 |
15 | 12.0 ± 0.01 | 1.9 ± 0.01 | 13.9 ± 0.01 | 8.9 ± 0.01 | 1.1 ± 0.01 | 10.0 ± 0.00 |
21 | 9.8 ± 0.00 | 1.6 ± 0.00 | 11.4 ± 0 | 8.5 ± 0.00 | 0.8 ± 0.00 | 9.3 ± 0.01 |
30 | 6.3 ± 0.01 | 1.0 ± 0.00 | 7.3 ± 0.01 | 5.4 ± 0.00 | – | 5.4 ± 0.00 |
40 | 5.9 ± 0.01 | 0.9 ± 0.00 | 6.8 ± 0.01 | 3.8 ± 0.00 | – | 3.8 ± 0.00 |
45 | 4.8 ± 0.01 | – | 4.8 ± 0.01 | 3.4 ± 0.00 | – | 3.4 ± 0.00 |
50 | 3.2 ± 0.01 | – | 3.2 ± 0.01 | 3.2 ± 0.00 | – | 3.2 ± 0.00 |