Surrogate Standard Back Catalog number: 92974 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678106 Pyrazophos, 100 µg/ml, Acetonitrile, 1ml Price on request 72086 2-Cyclohexyl-4,6-dinitrophenol Price on request S-4705-ASS-ACX5 Custom Mix of 4-Nonyl- and 4-t-Octylphenols ethoxylates, 100/20µg/ml in Acetone, 5x1ml Price on request