Product details

Boiling point diagram of a binary mixture

Boiling point diagram of a binary mixture

Item no.: P3030401
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Principle

A boiling point diagram shows the boiling points of a binary mixture as a function of the vapour / liquid equilibrium of the mixture at constant pressure. The boiling points of various mixtures of methanol and chloroform are measured and the composition of the liquid phases are determined using refractometry and a calibration curve.

Benefits

  • Important basic experiment for distillation
  • Excellent for the introduction of refractometry

Tasks

  1. Determine the refractive indices of the pure components and about 10 different mixtures of known composition.
  2. Plot the boiling point diagram of the binary mixtures of methanol and chloroform.

What you can learn about

  • Fundamentals of distillation
  • Equilibrium diagram
  • Chemical potential
  • Activity coefficient
  • Raoult's law

 

Additional necessary

  • Chloroform
Device Name Item no. Qty
Bath for thermostat, makrolon 08487-02 1,00
External circulation set for thermostat Alpha A 08493-02 1,00
Immersion thermostat Alpha A, 230 V 08493-93 1,00
Temperature probe, immersion type, Pt100 11759-01 1,00
Protective sleeves f.temp.probe,2 11762-05 1,00
PHYWE Temperature meter digital, 4-2 13617-93 1,00
Glycerol, 250 ml 30084-25 1,00
Methanol 500 30142-50 1,00
Power regulator 32288-93 1,00
Funnel, glass, top dia. 50 mm 34457-00 3,00
Condenser,Dimroth,IGJ19/26,210mm 35816-05 1,00
Round bottom flask, 250 ml, 2-neck, IGJ 19/26 35843-05 2,00
Abbe refractometer 35912-00 1,00
Column head, with stopcock, ST 19/26 35919-01 1,00
Burette, lateral stopcock, Schellbach, 50 ml, graduations 0, 1 ml 36513-01 2,00
Pasteur pipettes, 250 pcs 36590-00 1,00
Boiling beads, 200 g 36937-20 1,00
Retort stand, h = 750 mm 37694-00 2,00
Right angle boss-head clamp 37697-00 2,00
Universal clamp 37715-00 2,00
Burette clamp, roller mount., 2 pl. 37720-00 1,00
Laboratory pen, waterproof, black 38711-00 1,00
Rubber stopper,d=24/18mm,w/o hole 39256-00 11,00
Rubber caps, 10 pcs 39275-03 1,00
Rubber tubing, i.d. 6 mm 39282-00 5,00
Rubber tubing, i.d. 10 mm 39290-00 1,00
Hose clamp for 5-12 mm diameter 40997-00 14,00
Stopper, IGJ 19/26,glass,clear 41252-10 1,00
Clamp f.ground joint,plastic,NS19 43614-00 3,00
Teflon sleeve IGJ 19, 10 pcs 43616-00 1,00
Beaker, 100 ml, high-form 46026-00 2,00
Erlenmeyer nar.neck.,100ml 46141-00 1,00
Tubing connector, ID 6-10mm 47516-01 2,00
Heating mantle f. roundbottom flask, 250ml 49542-93 1,00
Clamp for heating mantle 49557-01 1,00
Water jet pump, plastic 02728-00 1,00
Document     Filesize
p3030401e.pdf Experiment guide, English 331.54 KB

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