Test peroxidizable substances before using, and periodically in storage as specified in item 2 above. Chemistry stockroom keeps a supply of these on hand. Peroxides may be removed from solvents by passing the solvent through a column of alumina or Dowex-1 resin. The column MUST NOT be allowed to run dry and the packing should be handled as other peroxide waste. It is less dangerous, however, to use a new bottle of peroxide-free solvent than to purify solvent containing peroxides.
Serous accidents can occur when substances capable of forming peroxides are distilled.
Consider other methods of purification. If distillation is necessary, the following precautions should be observed where peroxide formation is suspected. Test for peroxides before distilling. The peroxide test strips can indicate the concentration of peroxide in ppm. allowing you to know just how much peroxides are present. Do the distillation under an inert atmosphere.