Nitrite (NO2-) as N

n-C17/(n-C17 + n-C27) (Integration control) 2000 µg + 500 µg in isooctane solution in 1mL isooctane n-Heptadecane/n-Heptacosane = 4:1

N,N-Dimethylformamide

n-Hexane, neat, Solvent-neat, Unit 10mL, # of units-1, Cas.no. 110-54-3