[TOXICOLOGY] Chemical Test for Poison

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Test for the presence of Halogen

Beilstein test
Positive result for beilstein test

(+) green flame for presence of chlorine
Test for the presence of Acetone

Benzoldt gunning test
Positive result for Benzoldt gunning test

(+) indigotine
Test for the presence of Aniline

Bromine water test
Positive result for Bromine water test

(+) flesh colored precipitate of Tribromoaniline
Test for the presence of Nitrite and Nitrates

Brown ring test
Positive result for Brown ring test
- Brown ring at the interface
- FeSO₄ + H₂SO₄ --> brown ring at the interface
Substance that will give false positive result for Brown ring test

Bromine + Iodide
Test for the presence of Methanol (vs Ethanol)

Lieben's iodoform test
Positive result for Lieben's iodoform test

(+) formation of yellow precipitate of iodoform (CHI₃)
Test for the presence of common drugs of abuse

Marquis test
Positive result for Marquis test: Ecstacy

dark purple or black
Positive result for Marquis test: Amphetamine and Methamphetamine

orange or brown
Positive result for Marquis test: Propoxyphene

purple or black
Positive result for Marquis test: Heroine and opiates

pink to purple
Positive result for Marquis test: Aspirin

red
Test for the presence of Arsenic

Marsh test
Positive result for Marsh test
- (+) mirror like precipitate
- soluble in NaOCl
Substance that will give false positive result for Marsh test
- Sb (antimony)
- false (+) and insoluble in NaOCl
Test for the presence of heavy metals
- Reinsch test and
- Atomic absorption spectrophotometry ("AAS")
Positive result for Atomic absorption spectrophotometry ("AAS")

"heavy" --> due ability to precipitate proteins
Positive result for Reinsch test
- Sb, As, Bi, Te and Sulfide
- --> Dark coating on Cu strip
- Hg (Mercury)
- --> Silver coating on Cu strip
Test for the presence of Marijuana

Modified duquenois test
Positive result for Modified duquenois test

(+) red color on TLC due to THC (tetrahydrocannabinol)
Test for the presence of Chloroform (vs Chloral Hydrate)

Nessler (Mercuric KI)
Positive result for Nessler (Mercuric KI) test

(+) yellow precipitate on iodoform
Test for the presence of Bismuth

Nylander test
Positive result for Nylander test

formation of Bismuth subnitrate (white precipitate)
Test for the presence of Nitrobenzene

Phenylisocyanide test
Positive result for Phenylisocyanide test
- irritable odor detected
- (+) chloroform --> aniline and phenylisocyanide
Test for the presence of Mercury

Potassium Iodide test
Positive result for Potassium Iodide test

(+) Orange precipitate
Excessive addition of Potassium Iodide to its own orange precipitate will dissolve the precipitate and will form what reagent?
- Valser's reagent
- (orange solution)
Test for the presence of Phosphorous

Scherer test and Mitscherlich test
Positive result for Scherer test

(+) Black precipitate
Positive result for Mitsherlich test
- (+) Phosphorescence
- it is a process in which energy absorbed by a substance is released relatively slowly in the form of light
- #glow in the dark#
Test for the presence of Prussic Acid (HCN)

Picrate test
Positive result for Picrate test

Yellow --> brick red precipitate
Test for the presence of Reducing substances

Tollen's test
Positive result for Tollen's test

(+) mirror - like precipitate of elemental Ag (Silver)
Test for the presence of CS_{2 (}Carbon Sulfide)
Positive result for Xanthogenate test

(+) release of H₂S
Positive result for Atomic absorption spectrophotometry ("AAS")

"heavy" --> due ability to precipitate proteins

Author

batangmahaba

215924

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[TOXICOLOGY] Chemical Test for Poison

Description

Pharmacy Board Exam Reviewer

Updated

2013-04-26T14:15:45Z