WS Amp 2 Trace Elements Back Catalog number: 52128 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 51091 Water - Reagent Grade ASTM Type I Price on request S-4141-1-10IO Nitrogen Calibration Set-High Boiling Solvents 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 Price on request 57029 Copper (Cu), 1000µg/ml in 2%-HNO3/Water, 100ml Price on request