PSA-C18-Mix 4 Back Catalog number: 674790 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 673047 Hexadecyltrimethylammonium bromide, 250mg Price on request 59482 ICP-MS Tuning Solution Price on request 677572 Hexabromobenzene, 250mg Price on request