Fig. 1From: Novel C stain-based chemical method for differentiating real and forged fingerprintsa Analysis of real and forged fingerprints with black powder (no colour difference observed). b Analysis of real and forged fingerprints with ninhydrin (no colour differentiation). c Analysis of real and forged fingerprints with AgNO3 (no colour differentiation). d Analysis of real and forged fingerprints with iodine fuming (no colour differentiation)Back to article page