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Re: The Red goes on

>Yet another job turning red in the cold weather...still not a clue why...I
>have a container with the gas I was using and I have some of the letters
>which are turning red. Where can a guy have this stuff tested to see what is
>going on for sure??? I just talked with Jay at Eurocom and he seemed to be

If you can get a clear shot at some gas through clear gas take it to a chem
dept at a University (or even a high school) and look at it through a light
analyzing spectrometer - (the old simple style with a slit which actually
you can make on your own with a little care.)  

>very interested in knowing what the problem might be. He is going to talk to
>the physicist in Germany and see if they might be able to shed some light on
>the subject.
>
>I did some tests of my own...I filled clear glass tubes with straight neon
>and put a drop of mercury in a trap on the unit and I did the same with
>another tube filling it with my neon/argon mixture. I chilled the units
>before putting them on a transformer and as would be expected the neon turned
>red without the mercury in it. When I put the mercury in it it then turned
>blue as the mercuty vaporized. The neon/argon gas however did not turn red
>ever, even before I put the mercury in. So the only way I could get a unit to
>turn red was using straight neon and mercury. 
>
>I thought that maybe straight neon was put in instead of neon/argon but that
>would not have been the case because the units would have been red on the
>burnin table when they first came off the bombarder instead of going dull
>grey, so that eliminates that possiblity.

I'm beginning to wonder what pressure you are using and how much is a "drop".
Is the red color on the installation neon red or is it purple. Convince the
client to relocate their building to Florida? I give up. 


Kenny




>
>I'll keep you all posted because this is exasperating to me .
>
>Don Stone (wallerneon@aol.com)
>
>
Kenny Greenberg   Neon Artist, Scenic Specialist, Columnist - Internet World
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