Niobium (Nb) Back Catalog number: 58041 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59436 pH 4.0 Standard @ 25°C Price on request 1319.16-100-TX5 3-Fluorofluoranthene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1691-66-3 Price on request 71127 EPA Method 418.1 - Total Petroleum Hydrocarbons Price on request