Propachlor ESA sodium salt, 100µg/ml in MeOH, 1ml Back Catalog number: MET-13104AM1-1ML Availability: In the manufacturer's stock Price on request - + Recommended S-4143-025-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 71874 2-Isopropylnaphthalene Price on request 71654 Hexafluoro-2-methyl-2-propanol Price on request