Homebrew PCBs

You can dilute the lye/water solution with more water
and very precisely control the rate at which it dissolves
aluminum.

I used the lye/aluminum reaction a lot as a boy to make
hydrogen to fill balloons.

The hydrogen gas comes off very hot and must be ran through
a coil of tubing submersed in icewater.

But, if diluted enough, you can control it to react
at any speed or heat that you choose.

Chuck



>
>
>---- Original Message ----
>From: rolohar@...
>To: Homebrew_PCBs@yahoogroups.com
>Subject: Re: [Homebrew_PCBs] lye
>Date: Sat, 30 Mar 2013 14:30:13 -0700
>
>>Rick:
>>
>>The absence of lye in local stores in my area might be because of
>local 
>>bans.
>>In my area, the sale of aerosol spray paints is restricted. But the 
>>stuff is used
>>to make illegal drugs.
>>
>>I have not checked the situation in Tucson, which is the next big
>town 
>>near my location.
>>The anti spray paint ban is an attempt (very effective) in
>eliminating 
>>graffiti.
>>
>>Roland F. Harriston, P.D.
>>**********************
>>
>>On 3/30/2013 1:54 PM, Rick Sparber wrote:
>>>
>>> I found it at the Ahwatukee Ace Hardware.
>>>
>>> Rick
>>>
>>
>>
>>
>>[Non-text portions of this message have been removed]
>>
>>



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