Metals Calibration Standard Revised

Desmethylnarcotine, 1mg

2-Isopropoxy-3(6)-methylpyrazine, Isomer mixture, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no.

p-Tolualdehyde-DNPH, 100µg/ml in Acetonitrile, 1ml