Friends ammonia dissolves copper,brass and silver solder fast everything that comes in contact has to stainless steel or iron and welded, ammonia is a good solvent for silver and copper and brass.edsworkshp
From: o1bigtenor To: VacuumX@... Sent: Wednesday, June 8, 2011 9:46 AM Subject: Re: [VacuumX] "Cheap" vacuum
?
On Wed, Jun 8, 2011 at 1:12 AM, Slavko Kocjancic <eslavko@...> wrote:
S, o1bigtenor pi?e:
Is suggested the Icyball because if YOU can silver solder
you can make a system which is very cheap to run. As I am a
professional welder its not too hard for me. It is a possible
solution!
I don't have equipment for silver soldering, just for soft
soldering. IcyBall seems atractive but the presence of ammonia take
me off. Long ago I checked that topic and found a lot of problems
with that and accidents. So I avoid that. But thanks for
sugesstions.
Slavko.
You use a small propane torch for the 'soft solder'? - - and the same for silver solder (tin solder is at about 600 F and silver solder is at about 850 F) both of which are a lot cooler than arc welding.
Re: ammonia - - think potent window cleaning stuff. I farm too and have worked around the high potency stuff. Have not found it too hard to work with and would rather work with that than R-13 (or 13a or 134 or 131 or any of the the other organochlorofloro compounds).
