Detection of quinine in tonic water

Article no. P1259800 | Type: Experiments

grades 7-10, grades 10-13

20 Minutes

10 Minutes

heavy

Teachers/Professors, Students

Principle

Chinine is the main alkaloid of the bark of the Chinabaum. It has a typical, bitter taste and is hardly soluble in water, but soluble in alcohol, ether and chloroform

In this experiment, chinine is extracted from tonic water with an organic solvent and detected by its fluorescence under UV light.

Learning objectives

Seperation of chinine from liquid mixtures
Detection of chinine
fluorescence under UV light

Device name

Article no.

Quantity

UV analysis lamp 254/365 nm

Artikel-Nr.: 33972-93

1

Support base, variable

Artikel-Nr.: 02001-00

1

Stand rods, stainless steel, various sizes

Artikel-Nr.: 02037-00

4

Artikel-Nr.: 02043-00

4

Universal clamp

Artikel-Nr.: 37715-01

2

Support ring, i.d. 70mm,

Artikel-Nr.: 37721-01

1

Heating mantle f. roundbottom flask, 100 ml

Artikel-Nr.: 49541-93

1

Clamp for heating mantle

Artikel-Nr.: 49557-01

1

Round bottom flask w. side arm, 100 ml, PN19

Artikel-Nr.: 34885-00

1

Erlenmeyer flasks, Duran®, wide neck, various sizes

Artikel-Nr.: 36128-00

1

Cooling jacket, GL 25/8

Artikel-Nr.: MAU-27225000

1

Rubber stopper, d = 22/17 mm, 1 hole

Artikel-Nr.: 39255-01

1

Beakers, Boro, low form, various sizes

Artikel-Nr.: 46054-00

1

Beakers, Boro, high form, various sizes

Artikel-Nr.: 46027-00

2

Graduated cylinders, Boro, various sizes

Artikel-Nr.: 36629-00

1

Graduated pipette, 5 ml : 0,05

Artikel-Nr.: 36600-00

2

Separatory funnel 250 ml pear-sh.

Artikel-Nr.: 36884-00

1

Precision Balance, Sartorius, 620 g : 1 mg

Artikel-Nr.: 49311-99

1

Rubber hose, various diameters

Artikel-Nr.: 39282-00

2

Hose clip, diam. 8-16 mm, 1 pc.

Artikel-Nr.: 40996-02

2

Students thermometer,-10...+110°C, l = 180 mm

Artikel-Nr.: 38005-02

1

Boiling beads, 200 g

Artikel-Nr.: 36937-20

1

Laboratory pen, waterproof, black

Artikel-Nr.: 38711-00

1

Test tube, laboratory glass, various lengths, 100 pcs.

Artikel-Nr.: 37658-10

1

Test tube rack, wood, for 6 tubes d= 22mm

Artikel-Nr.: MAU-20042200

1

Test tube holder, up to d 22mm

Artikel-Nr.: 38823-00

1

Pipettes with rubber cap, various sizes

Artikel-Nr.: 64701-00

4

Artikel-Nr.: 36592-00

1

Spoon, special steel

Artikel-Nr.: 33398-00

1

Protecting glasses, clear glass

Artikel-Nr.: 39316-00

1

Rubber gloves, size M (8), one pair

Artikel-Nr.: 39323-00

1

Name

File name

File type

Digital learning

(de) Versuchsbeschreibung

P1259800_de.pdf

pdf

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