Aldrin, 100 µg/ml, Methanol, 1ml Back Catalog number: 679444 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 684515 Atrazine-2-hydroxy, 10.0 µg/ml, Methanol, 10ml Price on request 59599 pH 7.0 Standard @ 25°C Price on request 53001 HCI Acid Blank Price on request