Anthraquinone, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 674448 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 683161 Alkylbenzene-Mix 2, 200 µg/ml, Methanol, 1ml Price on request 53119 EPA Method 300.0 Anions Method B Price on request 678195 Bilanafos sodium salt, 100 µg/ml, Methanol, 1ml Price on request