Full Version: Nitrogen. Is it worth it?

From: Harvey only (HARVEY-ONLY) [#18]
 9 Jan 2007
To: Jer (DIAMOND) [#17] 9 Jan 2007

I respect that is what you were told by the safety department.

I only wonder where they were trained. From all of my chemical training, a bit extensive with the chemicals we used in manufacturing and I was the safety officer and responsible for keeping the hazard sheets up to date and informing the staff of any changes and hazards, I never heard of that. Also it does not make sense, but that does not necessarily have to be a factor in what it really does.

The safety officer at CBS when we got in the heliarc equipment said it was totally harmless, especially if we kept the door open. I thought that a slight contradiction at the time. But it could be true, as long as the door was open it could not build up and exclude oxygen.

From: Jer (DIAMOND) [#19]
 9 Jan 2007
To: Harvey only (HARVEY-ONLY) [#18] 10 Jan 2007

I believe that in a shop, with what I would consider small amounts in cylinders, that is coming out of a 3/8" hose there is no major risk. This would be a similar set up that would be used in a laser engraver. I also believe what our safety dept. says about one breath of 100% nitrogen. My thought is nitrogen expands so quickly into the atmosphere, that a cylinder in a ventilated shop has little risk. I would guess the bigger risk with a cylinder is pressure and all the precautions need to be observed there also.

From: Dave Jones (DAVERJ) [#20]
 10 Jan 2007
To: Jer (DIAMOND) [#19] 10 Jan 2007

Maybe they give the "one breath..." warning because there might be some yahoo working somewhere that thinks "well, inhaling helium gives funny results, I wonder what will happen if I inhale nitrogen from this hose?"

From: Jer (DIAMOND) [#21]
 10 Jan 2007
To: Dave Jones (DAVERJ) [#20] 10 Jan 2007

Oh No! Now I obligated to try it. I have to know.

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