In message , Larry Gagnon
writes
I need to solder a new section of 14 gauge copper antenna wire to a
very old section of wire that is highly tarnished and very old. Other
than pulling each strand apart and attempting to sand off the tarnish
is there an easier way to remove it so that I can solder it
effectively?

I used to use something known here in the UK as "Baker's Fluid" . It's a
mixture of zinc and ammonium chloride. The salt and vinegar trick
mentioned below works, but it depends how bad the tarnishing is.

Brian GM4DIJ
--
Brian Howie

"Bill Turner" wrote in message
...
On Fri, 7 May 2004 01:39:32 -0700, "Ed Price" wrote:

Try throwing up on you [sic] battery terminals

__________________________________________________ _______

Just when I think I've heard everything...

--
Bill, W6WRT
QSLs via LoTW



Hmmm, didn't mean to offend, nor to imply that this was the preferred
method. However, my entire comment was "Try throwing up on your battery
terminals; I think you'll find that your gut contents are more acidic than
Coke."

This was an invitation to empirical inquiry, engendered by the original
poster's tired old comment about how Coke must really do horrible things in
your tummy, since it is also able to act as a metal cleaner.

Hams have no special dispensation to be ignorant about chemistry.


Ed
WB6WSN

On Sat, 8 May 2004 05:05:56 -0700, "Ed Price" wrote:

This was an invitation to empirical inquiry, engendered by the original
poster's tired old comment about how Coke must really do horrible things in
your tummy, since it is also able to act as a metal cleaner.

Hams have no special dispensation to be ignorant about chemistry.

Hi Ed,

Then the following instruction would be suitable:
http://www.realscience.breckschool.o...5/Website.html
wherein it states:
"Parietal cells in the stomach lining secrete HCl. The pH level of
the stomach ranges from 1.5 to 3.5. The molarity of the HCl is then
approximately 0.01 M.
... "Coca Cola is acidic because the reaction between carbon
dioxide and the other ingredients of the soda produces carbonic acid.
Coca Cola Classic has a pH of 2.5..."

Brian Howie wrote:

In message , Larry Gagnon
writes

I need to solder a new section of 14 gauge copper antenna wire to a
very old section of wire that is highly tarnished and very old. Other
than pulling each strand apart and attempting to sand off the tarnish
is there an easier way to remove it so that I can solder it
effectively?


I used to use something known here in the UK as "Baker's Fluid" . It's a
mixture of zinc and ammonium chloride. The salt and vinegar trick
mentioned below works, but it depends how bad the tarnishing is.


Make sure to clean that wire off really well after soldering it. All
these suggestions are basically putting acid flux on the wires.

- Mike KB3EIA -

Richard Clark wrote:
On Sat, 8 May 2004 05:05:56 -0700, "Ed Price" wrote:


This was an invitation to empirical inquiry, engendered by the original
poster's tired old comment about how Coke must really do horrible things in
your tummy, since it is also able to act as a metal cleaner.

Hams have no special dispensation to be ignorant about chemistry.


Hi Ed,

Then the following instruction would be suitable:
http://www.realscience.breckschool.o...5/Website.html
wherein it states:
"Parietal cells in the stomach lining secrete HCl. The pH level of
the stomach ranges from 1.5 to 3.5. The molarity of the HCl is then
approximately 0.01 M.
... "Coca Cola is acidic because the reaction between carbon
dioxide and the other ingredients of the soda produces carbonic acid.
Coca Cola Classic has a pH of 2.5..."


coca cola also has phosphoric acid in it

yodar

YODAR wrote:
coca cola also has phosphoric acid in it

Used to etch glass?



-----= Posted via Newsfeeds.Com, Uncensored Usenet News =-----
http://www.newsfeeds.com - The #1 Newsgroup Service in the World!
-----== Over 100,000 Newsgroups - 19 Different Servers! =-----

YODAR wrote:
Richard Clark wrote:
On Sat, 8 May 2004 05:05:56 -0700, "Ed Price" wrote:


This was an invitation to empirical inquiry, engendered by the original
poster's tired old comment about how Coke must really do horrible things in
your tummy, since it is also able to act as a metal cleaner.

Hams have no special dispensation to be ignorant about chemistry.


Hi Ed,

Then the following instruction would be suitable:
http://www.realscience.breckschool.o...5/Website.html
wherein it states:
"Parietal cells in the stomach lining secrete HCl. The pH level of
the stomach ranges from 1.5 to 3.5. The molarity of the HCl is then
approximately 0.01 M.
... "Coca Cola is acidic because the reaction between carbon
dioxide and the other ingredients of the soda produces carbonic acid.
Coca Cola Classic has a pH of 2.5..."


coca cola also has phosphoric acid in it

yodar

So do beer, jams and jellies, and cheeses.

Pphosphoric acid is a week acid, and the pH of Coca Cola is still 2.5.

What's your point?

--
Jim Pennino

Remove -spam-sux to reply.

Cecil Moore wrote:
YODAR wrote:
coca cola also has phosphoric acid in it

Used to etch glass?

You're probably thinking of hydrofluoric acid.

Phosphoric acid is a rather common food flavoring agent.

--
Jim Pennino

Remove -spam-sux to reply.

On Sun, 09 May 2004 16:35:39 GMT, YODAR wrote:
... "Coca Cola is acidic because the reaction between carbon
dioxide and the other ingredients of the soda produces carbonic acid.
Coca Cola Classic has a pH of 2.5..."
coca cola also has phosphoric acid in it

Hi OM,

I was going to point that out, but hit the send button while fumbling
among the keys.

Phosphoric acid is a very good metal brightener. I used it when
cleaning shipboard equipment for Gov. contracts. I recall one fellow
in our group who picked up a coffee cup to use it as a solvent holder,
poured some in, and immediately dissolved the bottom right out. It
was as though he poured it straight through a sleeve.

73's
Richard Clark, KB7QHC