Fluoride (F-), 1.0µg/mL in Water, 500ml Back Catalog number: 59929 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended E4605-50ML FE4605Matrix Mod Nickel 10g/L ,050LPF Price on request E1418-100ML FE1418 Selenium ICP 10mg/L ,100LPF Price on request E2198-100ML FE2198 NexION KED Mode DL Blank ,100LPF Price on request