AAS Mix Back Catalog number: 50607 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11755.12-100-IO 2,2',3,3',4,4',6-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 673731 Ametryn, 100 µg/ml, Ethyl acetate, 5ml Price on request C14196400 Hexanoic acid-methyl ester, 1ml Price on request