SDWA Corrosivity (Langlier Index) Back Catalog number: 55121 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11719.12-100-IO 2,2',4,5,6'-Pentachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request H942565 (2R)-2-Hydroxyglutaric Acid Disodium Salt, 25mg Price on request 2121-3-18:25G Perfluoro-n-octanoic acid; PFOA, 98%, 25g Price on request