Multi-Element Check Standard Back Catalog number: 59001 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8223.12-100-AN Triazophos Price on request 66194 2,2’,3,3’,4,4’,5,5’-Octachlorobiphenyl (194) Price on request 677896 Quinalphos, 100 µg/ml, Ethyl acetate, 1ml Price on request