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Gold/Mining/Energy : Global Platinum & Gold (GPGI) -- Ignore unavailable to you. Want to Upgrade?

To: JACK R. SMITH JR. who wrote (9803)	3/19/1999 10:43:00 PM
From: Zeev Hed	Read Replies (1) \| Respond to of 14226

Jack, I used to work with hydrogen in the lab ("washing" molybdenum heating elements in furnaces to get to 1800 C, quite tough), and I always directed the flow out of a window, and lit the outgoing hydrogen to make sure it never reaches a high enough concentration. I have seen more than one mutilated guy from a mini hydrogen explosion. Maybe it is "ingrained" fear from prior experiences, but I'd rather be on the "safe" side. Remember, the stuff is absolutely odor less you just do not know it is there. Zeev

To: JACK R. SMITH JR. who wrote (9803)	3/19/1999 11:23:00 PM
From: Richard Mazzarella	Respond to of 14226

Jack, <<we overplaying the danger of the evil hydrogen>> Yes, I worked with liquid hydrogen for years (worked for Linde(now Praxair)). Want to worry about a gas? Worry about acetylene that's so widely abused. The diffusion rate of hydrogen is so great that it's difficult to have any problem. Enclosed spaces however can present special requirements for safety. The real hazard is the very wide flammability limits and a colorless flame when burning. The hazards are way overdone, a fear politicized by the Hindenburg accident. There are other "interesting" methods of storage besides metal high pressures cylinders, liquid, or halides. Seems there is now something useful to discuss on the Global thread after all? <VBG>