Metals Mix #2 Back Catalog number: 59137 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79068 N-Nitrosodimethylamine, 1000μg/ml in MeOH, 1ml Price on request 679886 3,3'-Dichlorobenzidine, 100 µg/ml, Acetonitrile, Price on request 59342 Perchlorate Level 4 Price on request