Mono-n-butyl phthalate (ring-1,2-13C2, dicarboxyl-13C2, 99%) 100 µg/mL in MTBE, 1,2ml Back Catalog number: CLM-4590-MT-1.2 Availability: In the manufacturer's stock Price on request - + Recommended 2916.14-100 Acetochlor-d11 (2-ethyl-6-methylphenyl-d11), 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1189897-44-6 Price on request 678394 Diphenylamine, 100 µg/ml, Acetonitrile, 1ml Price on request S-4143-1-B Low level Nitrogen & Sulfur Calibration Set Units: 1x1mL ampoules or 10mL screwcapped bottle Nitrogen introduced using Aniline / Sulfur introduced using di-n-Butyl Sulfide Catalogue No. Concentration Matrix: Benzene mg/kg (ppm) S-4143-0 Price on request