Quote from: parricide on November 20, 2011, 11:12:03 AMalso how do you go about disposing of them?I've read in a few places that you can neutralise the Ferric Chloride by adding Sodium Hydroxide [caustic soda - used as a drain cleaner so you can buy it in boots and probably most supermarkets].BUT the reaction when mixing the two is very exothermic so to avoid any kind of chemical burns you should dilute the ferric chloride before adding the sodium hydroxide. You will then be left with a solution which is safe to pour down the drain.
also how do you go about disposing of them?