Latent Print Development

Question 1

What are the 3 main factors that affect print development?

Answer 1

• surface
• environment
• quantity of print residue

Question 2

What types of surfaces do not work well with powders?

Answer 2

Cold and wet surfaces

Question 3

What 3 glands create print residue?

Answer 3

• eccrine
• apocrine
• sebaceous

Question 4

Sequence for SPR (small particle reagent)

Answer 4

Visual->ALS->Sudan Black->SPR->PD

Question 5

Sequence for PD (physical developer)

Answer 5

Visual->ALS->Iodine fuming->DFO->ninhydrin->PD

Question 6

Sequence for Sudan Black

Answer 6

Visual->ALS->sudan black->ALS->PD

Question 7

Sequence for iodine fuming

Answer 7

Visual->ALS->iodine->ninhydrin->PD

Question 8

Sequence for DFO

Answer 8

Viual->ALS->DFO->ninhydrin->PD

Question 9

Ninhydrin sequence

Answer 9

Visual->ALS->DFO->ninhydrin->ALS->PD

Question 10

Sequence for CV (Crystal Violet)

Answer 10

Visual->ALS->CV->liqui-drox->ALS

Question 11

Sequence for SSP (sticky side powder)

Answer 11

Visual->ALS->CV->SSP->ALS

Question 12

Sequence for superglue fuming (cyanoacrylate)

Answer 12

Visual->ALS->cyanoacrylate fuming->dye stain->ALS

Question 13

Sequence for basic yellow 40

Answer 13

Visual->ALS->cyanoacrylate-> baica yellow 40->ALS->R.A.Y-> ALS

Question 14

Sequence for Ardrox

Answer 14

Visual->ALS->cyanoacrylate-> Adrox->UV lamp->R.A.Y->ALS

Question 15

Sequence for rhodamine 6G

Answer 15

Visual->ALS->cyanoacrylate-> rhodamine 6G->ALS->R.A.M->ALS