2,4'-DDD, 10.0 µg/ml, Ethyl acetate, 10ml Back Catalog number: 673527 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 66050 PCB No. 50, 100µg/ml in Isooctane, 1ml Price on request 674530 Benzalkonium chloride Mix C10-C16, 10.0 µg/ml, Ac Price on request XA11790100AC Cyanazine D5, 100μg/ml in Acetone, 1ml Price on request