Common Anions Mix - EPA Method 300.0 Back Catalog number: 59494 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9114.13-100-IO Hydroxyisohexyl-3-cyclohexene carboxaldehyde, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 31906-04-4 Price on request 10267.12-100-IO 2’,3,4-Tribromodiphenyl ether,100 µg/mL,isooctane,1mL, Price on request 91704 EPA Method 502.2 Surrogate Standard Price on request