Internal Standard - Surrogate Mix Back Catalog number: 96032 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66104 PCB No. 104, 100µg/ml in Isooctane, 1ml Price on request 79614 1-Methylpyrene Price on request 675787 Tralkoxydim, 100 µg/ml, Acetonitrile, 5ml Price on request