Product Description: Fast Sulphon Black F is a specific copper indicator. Fast Sulphon Black F can be used for EDTA titration[1].
Formula: C30H17N4Na3O11S3
References: [1]Mahendra N, et al. Investigation of a Cu (II) fibre optic chemical sensor using fast sulphon black F (FSBF) immobilised onto XAD-7. Sensors and Actuators B: Chemical, 2002, 81(2-3): 196-201.