Chlorpropham, 100 µg/ml, Acetonitrile, 1ml

ISO 15009 Stock Internal Standard Solution for Aromatic Hydrocarbons 2 Analytes, each 2000µg/mL in methanol; unit: 1x5mL 2253.7 Toluene-d8 [2037-26-5] 2171.8 Ethylbenzene-d10 [25837-05-2]

Nitrogen Calibration Set-Low Boiling Solvents Units: 1x1mL ampoules or 10mL screw-capped bottle Nitrogen introduced using Pyridine Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4140-0 Blank S-4140-03 0.3

D5-Norfloxacin, 10mg