Isonicotinic acid, 1000mg

Nitrogen Calibration Set-High Boiling Solvents, Blanc Units: 1x1mL ampoules or 10mL screw-capped bottle Nitrogen introduced using Carbazole Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4141-0 Blank S-4141-03

Monocrotophos, 100 µg/ml, Toluene, 1ml

alpha-Endosulfan, 10.0 µg/ml, Ethyl acetate, 10m