Hydrogen generator. | |||
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| Hydrogen generator. I got several of these little tin cans of calcium from an eBay seller who in turn got them, he says, from an auction at the Groton submarine base several years earlier. They are labeled with all sorts of military code numbers and warnings (which you can read in the rotation video, as they wrap around the whole can). I'm not clear on what they were meant to be used for, but it sounds like the idea was to drop the calcium chunks into water or perhaps an acid solution, at which point they will generate a steady stream of hydrogen gas until consumed. There are other chemical systems for generating hydrogen and I don't know why one would be preferred over another. Source: eBay seller pcijma Contributor: Theodore Gray Acquired: 19 November, 2005 Price: $13 Size: 3" Purity: 99.9% | |||
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