Perchlorate (ClO4-), 100µg/mL in Water, 100ml Back Catalog number: 59344 Availability: In the manufacturer's stock Price on request - + Recommended 677726 Alkylphenol-Mix 1, 100 µg/ml, Acetonitrile, 10ml Price on request 90898 3,3’-Dimethylbenzidine Price on request 2004.12-100-IO 2,2',4,4',5,5'-Hexachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 35065-27-1 Price on request