Detection of quinine in tonic water

Item No. P1259800 | Type: Experiments

10 Minutes
20 Minutes
grades 7-10 , grades 10-13
heavy
Teachers/Professors , Students
EUR 3,337.70
Content 1 piece
EUR 3,971.86 Incl. VAT

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
Item No.
Quantity
UV analysis lamp 254/365 nm
Item No. 33972-93
1
Support base, variable
Item No. 02001-00
1
Stand rods, stainless steel, various sizes | Length: 600 mm
Item No. 02037-00
4
Boss head
Item No. 02043-00
4
Universal clamp
Item No. 37715-01
2
Support ring, i.d. 70mm,
Item No. 37721-01
1
Heating mantle f. roundbottom flask, 100 ml
Item No. 49541-93
1
Clamp for heating mantle
Item No. 49557-01
1
Round bottom flask w. side arm, 100 ml, PN19
Item No. 34885-00
1
Erlenmeyer flasks, Duran®, wide neck, various sizes | Volume: 100 ml
Item No. 36128-00
1
Cooling jacket, GL 25/8
Item No. MAU-27225000
1
Rubber stopper, d = 22/17 mm, 1 hole
Item No. 39255-01
1
Beakers, Boro, low form, various sizes | Volume: 250 ml
Item No. 46054-00
1
Beakers, Boro, high form, various sizes | Volume: 250 ml
Item No. 46027-00
2
Graduated cylinders, Boro, various sizes | Volume: 100 ml
Item No. 36629-00
1
Graduated pipettes, various sizes | Volume: 10 ml
Item No. 36600-00
2
Separatory funnel 250 ml pear-sh.
Item No. 36884-00
1
Precision Balance, Sartorius, 620 g : 1 mg
Item No. 49311-99
1
Rubber hose, various diameters | diameter: 6 mm
Item No. 39282-00
2
Hose clip, diam. 8-16 mm, 1 pc.
Item No. 40996-02
2
Students thermometer,-10...+110°C, l = 180 mm
Item No. 38005-02
1
Boiling beads, 200 g
Item No. 36937-20
1
Laboratory pen, waterproof, black
Item No. 38711-00
1
Test tube, laboratory glass, various lengths | Length: 180 mm
Item No. 37658-10
1
Test tube rack, wood, for 6 tubes d= 22mm
Item No. MAU-20042200
1
Test tube holder, up to d 22mm
Item No. 38823-00
1
Pipette with rubber bulb
Item No. 64701-00
4
Pipettor
Item No. 36592-00
1
Spoon, special steel
Item No. 33398-00
1
Protecting glasses, clear glass
Item No. 39316-00
1
Rubber gloves, size M (8), one pair
Item No. 39323-00
1
Sodium carbonate, anhyd. 250 g
Item No. 30154-25
1
Sodium chloride, 500 g
Item No. 30155-50
1
Petroleum ether, 40-60 C 250 ml
Item No. 30184-25
1
Sulphuric acid, 95-97%, 500 ml
Item No. 30219-50
1
Glycerol, 250 ml
Item No. 30084-25
1
Water, distilled 5 l
Item No. 31246-81
1

Name
Filename
Filesize
Filetyp
(de) Versuchsbeschreibung
p1259800_de .pdf
Filesize 1.25 Mb
pdf
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