单词 | tetrakis- |
释义 | tetrakis-comb. form Formative element used in Chemistry in the names of compounds to signify four identical groups all substituted in the same way; formerly = tetra- comb. form 2. ΚΠ 1850 C. G. B. Daubeny Introd. Atomic Theory (ed. 2) 112 When the number of proportionals of base is 2, the prefix di or dis is adopted; when 3, tris; when four, tetrakis…trisilicate of iron, 3 of base to 1 of silicic acid. 1912 Jrnl. Chem. Soc. 101 2003 The product obtained was tetrakisazobenzene, a deep red substance. 1951 R. E. Kirk & D. F. Othmer Encycl. Chem. Technol. VII. 580 Tetrakis(p-dimethylaminophenyl)hydrazine is dissociated to the extent of 10% in benzene solution and 21% in nitrobenzene. 1963 A. J. Hall Student's Handbk. Textile Sci. v. 259 The Proban flameproofing process is essentially based on the use of tetrakis-hydroxymethyl~phosphonium chloride. 1979 G. C. Barrett in D. N. Jones Comprehensive Organic Chem. III. xi. iv. 77 Tetra~kis(methylthio)methane, (MeS)4C, undergoes exchange with dithiols. This entry has not yet been fully updated (first published 1986; most recently modified version published online March 2022). < comb. form1850 |
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