Anions Mix Back Catalog number: 59140 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11764.12-100-IO 2,2',3,4,5,5',6-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 679509 Quintiofos, 10 µg/ml, Ethyl acetate, 10.0ml Price on request XA15960000CY Pentachlorobenzene, 100µg/ml in CY, 1ml Price on request