Table numbers are designated by Arabic numerals. Tables consist of 3 horizontal rules, with box headings centred over each column. Material in body of table is usually ranged on the left-hand side. Numerical data are usually ranged on the decimal point. Footnote references within tables are superior capital letters.
Footnotes appear at the bottom of the table, in the same size text as the body of the table.
Numbers, letters, and symbols should be of the correct size to be 1.8 mm high after reduction. Symbols representing variables or physical quantities should be in italics. The text should be Helvetica 10 pt. Return to Index Characterization of new substances Adequate evidence to establish identity and purity of new compounds should be provided. An accurate mass measurement of a molecular ion is acceptable as evidence for chemical composition provided that independent evidence for sample purity is given.