Lanthanum Nitrate Modifier Back Catalog number: 52312 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2612.24-200-T Tetracosahydrocoronene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 54171-94-7 Price on request 94154 WHO 532 Standard Price on request 0177.15-500-IO 2-n-Propyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 147792-30-1 Price on request