Lanthanum Nitrate Modifier Back Catalog number: 52312 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 21013 EPA Method 8260 Internal Standard - Revised Price on request 1421.10-1G 2-sec-Butylphenol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 89-72-5 Price on request 2940.9-100-AN Diuron-d6 (dimethyl-d6), 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 1007536-67-5 Price on request