Chlorinated Solvents


The limits of the emission of chlorinated hydrocarbons are pretty low. If we exceed this limit, the Water Authority (waterschap) could fine the Faculty who will charge the users (basiseeenheden). Therefore, there are some rules and restrictions concerning chlorinated solvents.

  1. Do not use chlorinated solvents in extractions and purifications, unless evidently no alternative is available. (ethylacetate may be a suitable alternative)
  2. Do not use chlorinated solvents as a reactium medium, unless evidently no alternative is available.
  3. Chlorinated solvents are prohibited in students’ practical coarses.
  4. Do not discharge the aquous fraction of extractions and reaction media after contact with chlorinated solvents. Remove the aquaous fractions as solvent waste or extract them with a non-chlorinated solvent; remove the extract as solvent waste.
  5. Rinse out any laboratory glassware with a non-chlorinated solvent (acetone, alcohol) after contact with chlorinated solvents; remove the rinse as a solvent waste.
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