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Working With Wet Chemicals

  • Wearing appropriate protective equipment (safety glasses, gloves, etc.) is mandatory.
  • While working in the laminar flow of the clean benches, keep clear of exposure by inhalation of vapor. Do not put your head inside the fume cupboard.
  • Once you pass the test, you are allowed to work with chemicals independently.
  • When the air extraction is lower than usual (06.00 p.m. - 07.00 a.m.), it is not allowed to:
  • work with chemicals alone. There must be an experienced person working with you.
  • work with HF, bromine and peroxide solutions.
  • HF: Immediately rinse with lage amounts of water. Alert the LS/LSS to apply first aid with the HF emergency kit.
  • Acids & alkalines: Immediately rinse with Diphoterine spray bottle; contact LS/LSS afterwards.
  • Organic liquids: Immediately rinse with Diphoterine spray bottle; contact LS/LSS afterwards.
  • Strong acids: Call LS/LSS.
  • Organic liquids: Quickly absorb the liquid with tissues/absorbant mats.
  • When you finished your experiments, do not leave chemical residues. Everything, including the workspace, should be cleaned after use.
  • Hands should be washed thoroughly with soap and water after you leave the cleanroom.
  • Due to potential fire risk, organic solvent should not be placed anywhere close to hot plates. Organic solvents are only allowed to be heated in a water or oil bath.
  • Recall that water should never be added on top of acids or bases.
  • Since they are incompatible, organic liquids should be stored away from acids, peroxides and alkalines. They may give rise to an explosion.
  • Always report the spills by calling the LS/LSS.
  • When chemicals spilt on the body, then with:
  • When chemicals spilt outside the workbench then with:

Procedures to follow in the case of a calamity are explained in the "emergency procedures" section.