Ponceau 4RC (E124), certified, 0.1g

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

Group 2 PCB’s - Toxicity in Animal Tissue

Halfenprox, 10.0 µg/ml, Acetonitrile, 10ml