Fluoride (F-) Back Catalog number: 50009 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 23005 Acid Surrogate Standard Price on request 2726.16-K-IO 4-Isopropylthioxanthone, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 83846-86-0 Price on request 680160 2-Methyl-1-propanol, 1ml Price on request