Non-Buffered Mix Back Catalog number: 674707 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 11718.12-100-IO 2,2',3,4',6'-Pentachlorobiphenyl (= 2,2',3',4,6-),100 µg/mL,isooctane,1mL, Price on request 685906 D8-2,4'-DDT, 100µg/ml in Acetone, 1ml Price on request 675251 Quinmerac, 100 µg/ml, Acetonitrile, 5ml Price on request