From 6bd31403f4a392185ab9a9881630c47340af6967 Mon Sep 17 00:00:00 2001 From: Mark van Renswoude Date: Thu, 8 Nov 2018 21:17:51 +0100 Subject: [PATCH] Updated disposal (markdown) --- electronics/disposal.md | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/electronics/disposal.md b/electronics/disposal.md index 0cbd332..ac477a6 100644 --- a/electronics/disposal.md +++ b/electronics/disposal.md @@ -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: > -> 1.85 * 3 = 5.55 moles of NaOH, at 40 g/mole that will be 5.55 * 40 = 222 grams NaOH. \ No newline at end of file +> 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. \ No newline at end of file