| 单词 | dithizone | 
| 释义 | dithizonenoun  di·thi·zone    dīˈthīˌzōn      plural -s      : a bluish black crystalline compound C6H5N=NCSNHNHC6H5 used for the colorimetric determination of heavy metals (as lead)  called also diphenylthiocarbazone  | 
	
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