Rubidium (Rb) Back Catalog number: 58037 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8841.8-K-IO 2-Propyl-3-methylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 3147.21-K-IO Heneicosanoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2363-71-5 Price on request NIST-1649B Urban dust - Organic contaminants, 2g Price on request