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NEW REAGENT COLORS CONTAINING THE RESIDUE OF 1-HYDROXY-7-AMINO-8- (5'-AMINO-2 ', 4'-DISULFOPHENYLAZO) NAPHTHALENE-3,6-DISULFONIC, THEIR PRODUCTION PROCESS AND THEIR TINCTORIAL APPLICATIONS
NEW REAGENT COLORS CONTAINING THE RESIDUE OF 1-HYDROXY-7-AMINO-8- (5'-AMINO-2 ', 4'-DISULFOPHENYLAZO) NAPHTHALENE-3,6-DISULFONIC, THEIR PRODUCTION PROCESS AND THEIR TINCTORIAL APPLICATIONS