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Subject: Re: [Homebrew_PCBs] Re: Exposing Photoresist and Some Boards I have built

From: "Myc Holmes" <mycroft2152y@...>
Date: 2008-02-17

I thought the picture of the box was a little confusing, I had nver seen
"Washing Soda" in the stores.

They are totally different chemicals.

Sodium Carbonate is an alakli, not as strong as Sodium Hydroxide (Caustic
Soda).

Sodium Bicarbonate is more of a buffer and is used to create CO2 in baking.

Myc
On Feb 17, 2008 4:05 PM, javaguy11111 <javaguy11111@...> wrote:

> Are you just emphasizing the difference between sodium carbonate and
> sodium bicarbonate or do I have a typo in one of my pages.
>
> Damon
>
> --- In Homebrew_PCBs@yahoogroups.com <Homebrew_PCBs%40yahoogroups.com>,
> "Myc Holmes" <mycroft2152y@...>
> wrote:
> >
> > According to the Arm and Hammer website, Super Washing soda is Sodium
> > Carbonate.
> >
> > This is different than Baking 'soda -- SodiumBiCarbonate.
> >
> > Myc
> >
> > On Feb 17, 2008 2:58 PM, javaguy11111 <javaguy11111@...> wrote:
> >
> > > I have updated my website demonstrating exposing and developing
> boards
> > > using photoresist.
> > > The url is http://www.pcbhobbyist.com/exposinganddevelopingphotoresist
> > > <http://www.pcbhobbyist.com/exposinganddevelopingphotoresist>
> > >
> > > I have also added a page on some of the boards I have built over the
> > > years. These were done with toner transfer.
> > > The url is http://www.pcbhobbyist.com/boards
> > > <http://www.pcbhobbyist.com/boards>
> > >
> > > [Non-text portions of this message have been removed]
> > >
> > >
> > >
> >
> >
> > [Non-text portions of this message have been removed]
> >
>
>
>


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