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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
1st2nd3rd4th5th
RPB
 Dry55555
 0.5 h55554
 24 h44555
 48 h54443
 120 h53332
SMDP
 DryNCNCNCNCNC
 0.5 hNCNCNCNCNC
 24 hNCNCNCNCNC
 48 hNCNCNCNCNC
 120 hNCNCNCNCNC
  1. RPB Robin powder blue, SMDP Silver magnetic dual powder, NC No contrast