Spiking Solution #1 Back Catalog number: 50800 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673191 Aldicarb-sulfone, 100 µg/ml, Acetonitrile, 5ml Price on request 71580 Pentachlorophenol-PFB derivative Price on request N-13985-100MG 2,4-D Choline salt, 100mg Price on request