4,4'-DDD, 100 µg/ml, Toluene, 5ml Back Catalog number: 675989 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 58040 Zirconium (Zr) Price on request X9138 1,4-Naphthoquinone Price on request 59567 Metals Mix #2 Price on request