Method 1640Mix A Back Catalog number: 53146 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DLM-2136-1.2 Benzo(b)fluoranthene (D12,98%), 200µg/mL in Isooctane, 1,2ml Price on request 680614 Dibutyl maleate, 250mg Price on request 3447.5-100-CY Methomyl Price on request