Fluoride (F-), 1000µg/ml in Water, 500ml Back Catalog number: 54502 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C10028800 Acid Red 26, certified, 0.1g Price on request 93443 Citric acid [0.2% wt] Price on request 685006 D10-Benzophenone, 10mg Price on request