Spiking Standards Kit Back Catalog number: 52073 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 91700 EPA Method 8150/1658 Herbicide Methyl Derivatives Price on request 682375 Closantel, 100 µg/ml, Acetonitrile, 1ml Price on request 38196 Acrylamide Price on request