Sulfate (SO42-) Back Catalog number: 50805 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680082 Pyraflufen monohydrate (free acid), 100 µg/ml, Me Price on request 8891.14-100-T 4-Fluorophenanthrene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 521-66-4 Price on request 4PM79 3,3',4',5-Tetrachloro-4-methoxybiphenyl, 1.2ml x 50ug/ml, nonane Price on request