4,4'-DDD, 10.0 µg/ml, Cyclohexane, 10ml Back Catalog number: 679107 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 675922 Pentachloroanisole, 10.0 µg/ml, Cyclohexane, 10m Price on request 677816 Ethoprophos, 10.0 µg/ml, Acetonitrile, 10ml Price on request 50630 Ammonia as (NH4+) Price on request