can you buy it in powder form? You mean you all apply
hcl to a circuit board??? Aint there a less caustic
substance for the job?
--- cctalk-bounces at
classiccmp.org
<ploopster at gmail.com> wrote:
Chuck Guzis wrote:
> On 7 Jan 2007 at 10:12, Lyle Bickley wrote:
>
>> 1. I've only been able to buy gallon sized
containers of the 30% HCL
(Muriatic
>> Acid). That is very unwieldily to handle. A
polyethelene containter with a
>> small "spout" (available at
drugstores) is an
easy solution. Just be careful
>> when transferring the acid from the gallon
container to the poly container -
>> use a poly funnel - HCL is "nasty"
stuff.
>
> Another caution--DO NOT STORE THE CONTAINER IN
YOUR WORKSHOP OR
> WHEREVER YOU KEEP YOUR EQUIPMENT! Muriatic acid
is hydrogen chloride
> gas dissolved in water and tends to
"fume". Which
means that if the
> cap on the container is slightly loose or the
container is cracked,
> you'll be in for an eventual surprise.
>
> I kept a gallon of muriatic stored in my workshop
and thought the cap
> was screwed on tightly (it wasn't). After
about 2
weeks, I noted
> that all of my cast-iron shop equpment was coated
with a fine
> dappling of rust. My HCl is now stored in a
weatherproof container
> out-of-doors. I can't imagine what such
fumes
might do to the
> innards of a disk drive.
>
> For a somewhat tamer substitute, one might try
sulfamic acid--a
> powder dissolved in water and normally used for
cleaning masonry (as
> is muriatic acid). You can often find it at
stores that deal in
ceramic tile
supplies.
You can store hydrochloric acid dilute without
worrying about it fuming.
Peace... Sridhar
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