Oxygen Purity
I have a 10 LPM concentrator and have it hooked up to a GTT Scorpion torch. I have not been able to fume gold with it. Silver seems to work fine, but not so much with gold. Is there a way to check the purity of oxygen? The gold that I am using is supposed to be 22K, so I don't think that is the issue. The concentrator was supposedly refurbished prior to me getting it. I have moved from VA to FL, so I can't very easily take it to the repair facility to have it checked.
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Greg
A pessimist is an optimist with experience.
"In my many years I have come to a conclusion that one useless man is a shame, two is a law firm and three or more is a congress." - John Adams
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