Definition: A colorimetric reagent for iron, manganese, titanium, molybdenum, and complexes of zirconium. (From Merck Index, 11th ed)[...]
Synonyms: 1,2-Dihydroxybenzene-3,5-Disulfonic Acid Disodium Salt • 1,3-Benzenedisulfonic acid, 4,5-dihydroxy-, disodium salt • 1,2-Dihydroxybenzene-3,5-Disulfonic Acid Disodium Salt [Chemical/Ingredient]