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
> >
>
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>
>
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