Internal & Surrogate Standard Back Catalog number: 97790 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675918 Terbuthylazine-2-hydroxy, 100mg Price on request ACQ-AQ10-030 Ethanol standard in water,1.0g/L,water, 3mL Price on request 673823 Milbemectin A4, 10.0 µg/ml, Acetonitrile, 10ml Price on request