Internal Standard - Surrogate Mix Back Catalog number: 96032 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C11890000 Cypermethrin, 100mg Price on request PN-68S 1,2,3,5,6,8-Hexachloronaphthalene, 1.2mL x 50ug/mL, nonane Price on request 679277 Benzo[g,h,i]perylene, 10mg Price on request