PSA-C18-Mix 6 Back Catalog number: 674492 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 11785.10 1,2,3,5,6,8-Hexachloronaphthalene,,,, Price on request C15970000 Pentachlorophenol, certified, 0.1g Price on request 677373 Benzoin, 100mg Price on request