Table 7 Development of submerged and successive prints on aluminium foil using Robin powder blue and Silver magnetic dual powder
From: Development of submerged and successive latent fingerprints: a comparative study
Aluminium foil | |||||
|---|---|---|---|---|---|
Print succession | |||||
1st | 2nd | 3rd | 4th | 5th | |
RPB | |||||
Dry | 5 | 5 | 5 | 5 | 5 |
0.5 h | 5 | 5 | 5 | 5 | 4 |
24 h | 4 | 4 | 5 | 5 | 5 |
48 h | 5 | 4 | 4 | 4 | 3 |
120 h | 5 | 3 | 3 | 3 | 2 |
SMDP | |||||
Dry | NC | NC | NC | NC | NC |
0.5 h | NC | NC | NC | NC | NC |
24 h | NC | NC | NC | NC | NC |
48 h | NC | NC | NC | NC | NC |
120 h | NC | NC | NC | NC | NC |