SDWA Corrosivity (Langlier Index) Back Catalog number: 55121 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 97785 Acetonitrile Price on request C17406500 cis-1,2,3,6-Tetrahydrophthalimide, certified, 0.25g Price on request 91356 Glycol Standard Price on request