Method 1640Mix A Back Catalog number: 53146 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended L17305000AL Terbuthylazine-2-hydroxy, 10 ng/µl, 10ml Price on request 673588 Fenitrothion, 100 µg/ml, Ethyl acetate, 5ml Price on request 53159 CLP CRI Standard Price on request