Boughton system, isotopic naming

Boughton system isotopic naming, 259 chemical constants, 149, 151 chirality symbols and symmetry site terms, 262-263 crystal lattice unit cells, 262 element symbols in chemical names, 232 for emphasis, 92 for genus and species, 92-93 for indicated hydrogen, 232 for newly defined terms, 92 for periodicals, books, and newspaper titles, 92... [Pg.227]

Tritium in Boughton system isotopes, 259 Trivial chemical names... [Pg.234]

The Boughton system, used in Chemical Abstracts, does not distinguish between labeling and substitution. The isotopic variation is shown by the symbol for the isotope (with a subscript numeral to indicate the number of isotopic atoms) placed after the name or relevant portion of the name locants are cited... [Pg.265]

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