Chem.
an orange-yellow, slightly water-soluble powder, C 14 H 14 N 3 NaO 3 S, used chiefly as an acid-base indicator. Also called gold orange, helianthine B, orange III, tropaeolin D, tropeolin D . Cf. methyl red .
[ 1880-85 ]
Chem.
an orange-yellow, slightly water-soluble powder, C 14 H 14 N 3 NaO 3 S, used chiefly as an acid-base indicator. Also called gold orange, helianthine B, orange III, tropaeolin D, tropeolin D . Cf. methyl red .
[ 1880-85 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012