| bismuthyl | <chemical> Hydrous carbonate of bismuth, an earthy mineral of a dull white or yellowish colour. Alternative forms: bismuthite. Source: Websters Dictionary (01 Mar 1998) |
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| bismuthyl carbonate | (BiO)2CO3;used for the same purposes as bismuth subnitrate, but has lower toxicity. Synonym: bismuth carbonate, bismuth oxycarbonate, bismuthyl carbonate. (05 Mar 2000) |
| bismuthyl chloride | BiOCl;basic bismuth chloride, used for the same purposes as the subnitrate. Synonym: bismuth chloride oxide, bismuthyl chloride. (05 Mar 2000) |