Soil Conductance [0.5-1.5mS/cm]

trans-4'-(3,4-Difluorophenyl)bicyclohexyl-4-one, >98%, 1g

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

4-n-Nonylphenol, 1000µg/ml in MeOH, 1ml