Forensics 3Amali

Front 1

salicylates

Back 1

1 ml urine + 3 drops ferric chloride solution --> violet

Front 2

phenothiazine

Back 2

1 ml urine + 1 ml FPN reagent, mix 5 seconds --> Pink

Front 3

FPN =

Back 3

5 ml 5% ferric chloride
45 ml 20% perchloric acid
50 ml 50% nitric acid

Front 4

impramine

Back 4

1 ml urine + 1 ml forrest (imipramine) reagent. mix 5 seconds --> greenish yellow

Front 5

forrest reagent?

Back 5

25 ml 20% potassium dichromate
25 ML 30% sulphuric acid
25 ml perchloric acid
25 ml 50% nitric acid

Front 6

barbiturates

Back 6

1 ml urine + 1 ml 0.2% cobalt in methanol. warm. add small amount of powdered borax --> bluish

Front 7

ethyl alcohol

Back 7

1 ml urine + 1 ml potassium permanganate 0.1% + 2 drops acid, heat --> pink color disappears

Front 8

methyl aclohol

Back 8

1 ml urine + 5 drops K permanganate + 5 drops oxalic acid + 5 drops chromotrophic acid
add 2 cc sulphuric acid on the wall fo the tube ---> violet ring appears in interface

Front 9

atropine

Back 9

wagners reagent --> small dark rods and triangular plates, single, or in group

Front 10

strychnine

Back 10

platinic chloride --> clusters or single crystals in the form of thick rods

Front 11

wagners reagent

Back 11

1.27 gm Iodine + 2 gm KI in 100 ml H2O

Front 12

platinic chloride

Back 12

5 gm platinic chloride in 100 ml H2O