Retention Time Verification Standard Back Catalog number: 51172 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0763.16-500-IO 1,8-Dimethylphenanthrene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 7372-87-4 Price on request S-4074-100-5T Surfactant Mixture 2 2 Analytes, each 100µg/mL in toluene; unit: 1x5mL 1224.24 Bis(2-ethylhexyl) phthalate BEHP [117-81-7] 1223.24 Di-n-octyl phthalate DNOP [117-84-0] Price on request 675167 Ethidimuron, 10 µg/ml, Acetonitrile, 10ml Price on request