Homebrew PCBs

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
> 
> 
> Be sure to visit the group home and check for new Bookmarks and files:
> http://groups.yahoo.com/group/Homebrew_PCBs
> 
> To unsubscribe from this group, send an email to:
> Homebrew_PCBs-unsubscribe@yahoogroups.com
> 
>  
> 
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ 
> 
>