Trace Metals 3 Back Catalog number: 53094 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 54164 Perchlorate (ClO4-) Price on request 1815.12-K-IO 3,3'-Diaminobenzidine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 91-95-2 Price on request 38381 1,4-Dioxane in Water (PT) Price on request