Tetracontane, >97%, 1g

ASTM Benzene Amp#2

4-Chloroguaiacol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 16766-30-6

Ammonium Standard: NH4+, 1000µg/ml in Water, 100ml