Custom Surrogate Standard Mix Back Catalog number: 96807 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50478 Selenium (Se) Price on request 1669.13-100-IO 1,2-Dichlorotridecane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 701920-72-1 Price on request 66060 2,3,4,4'-Tetrachlorobiphenyl (60) Price on request