Method 1640Mix A Back Catalog number: 53146 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10450.8-100MG Tetrabromophthalic acid Price on request 3382.12-100-AN Dioxathion Price on request 11728.12-100-IO 2,3',4,5',6-Pentachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request