Carboxylic acids and alcohols can react with esters under suitable conditions. Water forms as a by-product and, under the properly selected reaction conditions, it can be continuously separated by means of a distilling trap (Dean-Stark apparatus). The progress of the reaction can be followed very clearly based on the quantity of water separated. The set-up depicted here with components from the comprehensive chemistry/biotechnology experiment set enables optimum visibility of the glass equipment and can be set up rapidly.
| Materiallist (Excerpt) |
Product |
Amount |
|
Heating mantle for roundbottom flask, 250 ml, 230 V,with saftey switch
|
49542-93
|
1
|
|
Frame for complete experiments
|
45500-00
|
1
|
|
Condenser, Dimroth type GL25/12
|
35815-15
|
1
|
|
Panel f. compl. experim. set-ups
|
45510-00
|
1
|
|
Test tubes,160x16mm,DURAN, 100pcs
|
36301-10
|
1
|
|
Water separator GL25/12
|
35790-15
|
1
|
|
Ethyl alcohol, absolute 500 ml
|
30008-50
|
1
|
|
Apparatus holder, variable
|
45526-00
|
1
|
|
Sudan III 25 g
|
31860-04
|
1
|
|
Copper-II sulphate,anhydr. 250 g
|
31495-25
|
1
|
|
Flask,round,1-neck,250ml,GL25/13
|
35812-15
|
1
|
|
Rear-cover for compl.-exp. panel
|
45501-00
|
1
|
|
Water, distilled 5 l
|
31246-81
|
1
|
|
Clamping holder,18-25mm
|
45520-00
|
3
|
|
Sulphuric acid, 95-98% 500 ml
|
30219-50
|
1
|
|
Acetic acid 99...100%, 500 ml
|
31301-50
|
1
|
|
Clamp for heating mantle
|
49557-01
|
1
|
|
Ungraduated Cylinder, 570 ml, d = 20 cm, d = 60 mm
|
34231-00
|
1
|
|
Iodine resublimed 25 g
|
30093-04
|
1
|
|
N-butanol 250 ml
|
31142-25
|
1
|
|
Tube Coupling, d = 8 mm
|
47521-00
|
2
|
|
G-clamp
|
02014-00
|
2
|
|
Boiling beads, 200 g
|
36937-20
|
1
|
|
Spring plugs, 50 off
|
45530-00
|
1
|
|
Pasteur pipettes, 250 pcs
|
36590-00
|
1
|
|
Pipettor,bulb,3 valves, 10ml max.
|
47127-01
|
1
|
|
Test tube rack f. 6 tubes, wood
|
37685-10
|
1
|
|
Spoon + spatula, steel, l=200mm
|
46948-00
|
1
|
|
Fixing bands,universal,100 pcs.
|
45535-00
|
1
|
|
Rubber caps, 10 pcs
|
39275-03
|
1
|
|
Graduated cylinder 50 ml
|
36628-00
|
1
|
|
Funnel, glass, top dia. 80 mm
|
34459-00
|
1
|
|
Wash bottle, plastic, 500 ml
|
33931-00
|
1
|
|
Graduated pipette 10 ml
|
36600-00
|
1
|
|
Rubber tubing, i.d. 6 mm
|
39282-00
|
4
|
|
Hose clip, diam. 8-16 mm, 1 pc.
|
40996-02
|
6
|
|
Hose clip f.12-20 diameter tube
|
40995-00
|
1
|
|
Rub.stop.d=12.5/16.5mm,w/o hole
|
39249-00
|
1
|
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