“…1522, 1523, 1945, 1953, 2264) and TLC (80,253,305,342,389,541,558,600,742,887,1279,1557,1644,7664,7726,1797,2031) are now in use. Specifically, PC was applied to: vat dyes (986,1953), naphthols (595,987,1531), acid dyes (994), basic dyes (989), chrome complex dyes (990), indigosols (1104, 2137), azo dyes (670,992,993,995,1532), sulfonic acids (361,403,1126,1397), triphenylmethanes (345,1718), carbocyanines (428), thiazines (1535), and ball-point inks (1877). TLC was applied to: acidic and basic dyes (1181), azo dyes (568,1585), reactive dyes (1533), xanthene stains (1990), bromsulphalein metabolites (1650,2241,2244), and Amido Black 10B (...…”