2,4’-DDD, 1000µg/ml in Hexane, 1ml Back Catalog number: 79051 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 31282 EPA Method 507 Nitrogen Phosphorus Pesticides Price on request 72485 Potassium benzoate Price on request 677712 1-Methylnaphthalene, 10.0 µg/ml, Acetonitrile, 1 Price on request