The container label should have written on it 98% (or there
about) sodium hydroxide. "Caustic Soda" is also synonym. Some
drain cleaners are just a mixture of NaOH and other stuff so
don't get them. Hardware stores are another source. Don't leave
the lid off, as its extremely hydroscopic.
Leon Heller wrote:
> ----- Original Message -----
> From: "grantfair2001" <grant.fair@...>
> To: <Homebrew_PCBs@yahoogroups.com>
> Sent: Wednesday, April 23, 2003 4:58 AM
> Subject: [Homebrew_PCBs] Sani Flush - is it lye (sodium hydroxide)?
>
>
>
>>I have been unable to find any plain lye at the local supermarkets.
>>Does anyone know if Sani Flush is just perfumed sodium hydroxide (and
>>therefore suitable for analysis of the CuCl etchant?)
>>
>
>
> My local builders merchant stocks it.
>
> Leon
> --
> Leon Heller, G1HSM
> leon_heller@...
> http://www.geocities.com/leon_heller
>
>
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