2,4-Di-tert-amylphenol, >98%, 25g

Imidacloprid, 1000µg/ml in MeOH, 1ml

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

Tris(2-chloroethyl) phosphate-d12, 1.2ml x 50ug/ml, toluene