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CHLORINE
Natural Abundance, Stable Isobars Cl35, 75.53%, None Cl37, 24.47% Nickel chloride, lithium chloride, ferrous chloride, carbon tetrachloride, and chlorine have been used as charge material in the separation of chlorine isotopes. The preferred charge depends upon the product desired. Use of LiCl will supply material with the highest isotopic purity; however, if a more rapid collection of a lower assay material is desired, NiCI2 or carbon tetrachloride should be used. The average charge of LiCl consists of 150 g in a style C-16 graphite charge bottle. The usual charge of NiCl2 is 350 g in a style C-18 graphite charge bottle. Lithium chloride and nickel chloride are not considered toxic; however, both chlorine and carbon tetrachloride are acute toxicants and should be handled with extreme care. The maximum allowable concentration in air is 1 ppm for chlorine and 25 ppm for carbon tetrachloride. Good ventilation should be employed in areas where these materials are handled. |
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