SDWA Iron Back Catalog number: 55310 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended GS09000390DI PAH Mixture 390, 1000µg/mL in Dichloromethane, 5 x 1ml Price on request 2590.6-50-ME Perfluorohexanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 307-24-4 Price on request 673894 iso-Chloridazon, 50mg Price on request