SDWA Corrosivity (Langlier Index) Back Catalog number: 55121 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 684865 Noopept, 25mg Price on request BDE-77 3,3',4,4'-Tetrabromodiphenyl ether, 1.2ml x 50ug/ml, nonane Price on request 72223 Ciprofloxacin, 1000µg/mL in water, 1ml Price on request