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

Reagent of Gulielmo

Sulfuric acid

Reagent of Gerard’s

Ethanol Mercuric chloride

Reagent of Thalleioquin

Acetic acid Ammonia Chlorine water

Reagent of Mandelin

Ammonium metavanadate Conc. sulfuric acid

Reagent of Murexide

Hydrochloric acid Potassium chlorate

Result of Marquis

Blue

Result of Hasemann

Blood red

Result of Vitali-Morin

Gray ppt

Result of Gulielmo

Red with flower odor

Result of Gerard’s

Yellow

Result of Thalleioquin

Fine blue fluorescence Green ppt with ammonia

Result of Mandelin

Violet

Result of Murexide

Purple or pink on paper chromatography