You will need
  • - metal container (mug, Turk,etc.)
  • - copper wire,
  • - gas burner (gas cooker),
  • - thermometer,
  • - a transparent container (glass),
  • - potassium permanganate.
Instruction
1
The first method.
Put a metal container of test liquid on a burning gas burner (stove).
2
Measure with a thermometer the temperature at which the liquid starts to boil. Methanol boils at about 64оС, ethanol - about 78оС.
3
The second method.
Twist copper wire from a small spiral. It is necessary to increase the surface of contact of copper and the test liquid.
4
Will rascality copper wire incandescent, but better – to black: is the degree of intensity, when the surface of the wire will start to form copper oxide.
5
Dip the hot wire into the prepared container with the test liquid.
6
Smell: if there is the aroma of rotten apples is ethanol. If there was a sharp, unpleasant smell and irritating the mucous membrane is methanol.
7
The third way.
Pour the test liquid in the transparent dishes.
8
Add the test liquid is a little bit of potassium permanganate (potassium permanganate).
9
If the fluid blisters of gas is methanol. If no bubbles and the smell of vinegar is ethanol.