On 20/07/2013 9:47 a.m., Jim wrote: > > Have you tried a beauty supply store? At least here in the states, > "40 wt" (10%) H2O2 is widely available and relatively inexpensive, as > a hair coloring agent. > > Since you have lots of beautiful blonde Australian women, it seems to > me that peroxide would be readily available downunda. > > 73 > Jim N6OTQ > It seems to have gone out of fashion in New Zealand. 50 years ago you could buy hydrogen peroxide in a chemist shop (drugstore) or a grocery store. Now they seem to prefer powder (sodium carbonate?) and it's very expensive. Next board I make I'll be trying 10 g of percarbonate in 100 ml of water plus 100ml of HCl. > >________________________________ > > From: jiburat <jiburat@... <mailto:jiburat%40yahoo.com.au>> > >To: Homebrew_PCBs@yahoogroups.com > <mailto:Homebrew_PCBs%40yahoogroups.com> > >Sent: Thursday, July 18, 2013 8:36 PM > >Subject: [Homebrew_PCBs] Re: Sodium PerCarbonate > > > > > >Good idea, I see no reason why it wouldn't work. I'm going to try it > >myself, I'm from AUS and H2O2 is just too expensive here > > > > [Non-text portions of this message have been removed] > > [Non-text portions of this message have been removed]
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Re: [Homebrew_PCBs] Re: Sodium PerCarbonate
2013-07-20 by Kerry Koppert
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