Nitrate & Nitrite as N

Bis(2-ethylhexyl-d17) tetrabromo[13C6]phthalate, 1.2ml x 50ug/ml, toluene

Ferulic acid, >98%, 20mg

n-Pentacosane-d52, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 121578-13-0