Fluoride (F-) Back Catalog number: 50009 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C11601300 Chlorpyrifos-methyl-desmethyl sodium, 25mg Price on request 59351 Common Anions EPA 300.1Mix Price on request 680986 Naproxen, 100 µg/ml, Methanol, 1ml Price on request