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Updated disposal (markdown)

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Mark van Renswoude 2018-11-08 21:17:51 +01:00
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electronics/disposal.md
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@ -62,4 +62,6 @@ These instructions were found on [[https://wiki.london.hackspace.org.uk/w/index.
> >
> The weight of Na0H required to deactivate the spent FeCl3 solution is obtained thus: > The weight of Na0H required to deactivate the spent FeCl3 solution is obtained thus:
> >
> 1.85 * 3 = 5.55 moles of NaOH, at 40 g/mole that will be 5.55 * 40 = 222 grams NaOH. > 1.85 * 3 = 5.55 moles of NaOH, at 40 g/mole that will be 5.55 * 40 = 222 grams NaOH.
An alternative is to mix the ferric chloride with baking soda. Note that this reaction does produce some heat.