Qualitative Tests for Alkaloids Flashcards by Carille Narag

Q

Reagent of Wagner’s/Bouchardat’s

A

Iodine in KI

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Q

Reagent of Valser’s

A

Mercuric Iodide

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Q

Reagent of Mayer’s

A

HgCl2 in KI

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Q

Reagent of Dragendorff’s

A

Potassium bismuth iodide

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Q

Reagent of Marme’s

A

Potassium cadmium iodide

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Q

Reagent of Hager’s

A

Saturated picric acid

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Q

Reagent of Scheibler’s

A

Phosphotungstic acid

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Q

Reagent of Sonnenschein’s

A

Phosphomolybdic acid

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Q

Result of Wagner’s/Bouchardat’s

A

Reddish brown ppt

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Q

Result of Valser’s

A

White ppt

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Q

Result of Mayer’s

A

White/cream ppt

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Q

Result of Dragendorff’s

A

Orange ppt

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Q

Result of Marme’s

A

Precipitation

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Q

Result of Hager’s

A

Precipitation

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Q

Result of Scheibler’s

A

Precipitation

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Q

Result of Sonnenschein’s

A

Precipitation

Q

For Codeine

A

Marquis
Hasemann

Q

For Atropine

A

Vitali-Morin
Gulielmo
Gerard’s

Q

For Quinine

A

Thalleioquin

Q

For Strychnine

A

Mandelin

Q

For Caffeine

A

Murexide

Q

Reagent of Marquis

A

Formaldehyde
Conc. sulfuric acid

Q

Reagent of Hasemann

A

Ferric chloride

Q

Reagent of Vitali-Morin

A

Nitric acid

Q

Reagent of Gulielmo

A

Sulfuric acid

Q

Reagent of Gerard’s

A

Ethanol
Mercuric chloride

Q

Reagent of Thalleioquin

A

Acetic acid
Ammonia
Chlorine water

Q

Reagent of Mandelin

A

Ammonium metavanadate
Conc. sulfuric acid

Q

Reagent of Murexide

A

Hydrochloric acid
Potassium chlorate

Q

Result of Marquis

A

Blue

Q

Result of Hasemann

A

Blood red

Q

Result of Vitali-Morin

A

Gray ppt

Q

Result of Gulielmo

A

Red with flower odor

Q

Result of Gerard’s

A

Yellow

Q

Result of Thalleioquin

A

Fine blue fluorescence
Green ppt with ammonia

Q

Result of Mandelin

A

Violet

Q

Result of Murexide

A

Purple or pink on paper chromatography