Amines, rosin, compds. with 9-(2-carboxyphenyl)-3,6-bis(diethylamino)xanthylium chloride (1:1), 4-[2-(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-1-yl)diazenyl]-3-hydroxy-1-naphthalenesulfonic acid chromium sodium complexes and formic acid