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CARBON
Natural Abundance, Stable Isobars C12, 98.892%, None C13, 1.108% Barium carbonate, calcium carbonate, carbon tetrachloride, acetylene, carbon disulfide, potassium cyanide, carbon monoxide, and carbon dioxide have been used as charge material for the separation of carbon isotopes. Carbon monoxide proved to be most satisfactory from an operational standpoint, but due to high toxicity it is not used extensively in isotope separations. Carbon dioxide was the preferred charge compound since ease of handling more than compensated for the slight reduction in calutron performance. Charge consumption rate was not determined. Carbon dioxide is commercially available as a cylinder gas and is supplied to the calutron from a cylinder located outside the calutron unit. Carbon dioxide in normal usage is not considered toxic. |
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