Multi-Element Internal Standard / Back Catalog number: 53319 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 83540 Benzaldehyde-DNPH Price on request 0815.15-K-IO 9-Methylphenanthrene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 883-20-5 Price on request 1555.26-K-IOX10 n-Hexacosane-d54, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 1219803-91-4 Price on request