Sulfate (SO42-) Back Catalog number: 50734 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 4PM198 2,2',3,3',4,5,5',6-Octachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane Price on request 2025.6-100-CY Pentachlorobenzene,100 µg/mL,cyclohexane,1mL, Price on request 8820.12-100-IO 2,2',3,4,5,5'-Hexachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 52712-04-6 Price on request