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upevnite spätný chladič na erlenmeyerovu banku (5.1) a ihneď vložte aparatúru na azbestovú drôtenú sieťku nad bunsenovým horákom.
fit a reflux condenser to the conical flask (5.1) and immediately place the apparatus on an asbestos wire gauze over a bunsen flame.
erlenmeyerovu banku položte okamžite na azbestom potiahnutú drôtenú sieťku s otvorom o priemere približne 6 cm, pod ktorou je zapálený plameň.
place the erlenmeyer immediately on an asbestos-coated wire gauze with a hole approximately 6 cm in diameter under which a flame has been lit.
roztok prefiltrujte cez téglik zo sintrovaného skla (5.1) premyte erlenmeyerovu banku (5.5) s 25 ml toluénu (4.1) a splašky nechajte pretiecť cez téglik (5.1).
filter the solution through the sintered glass crucible (5.1). wash the conical flask (5.5) with 25 ml of toluene (4.1) and pass the washings through the crucible (5.1).