Nitrite (NO2-) as N, 100µg/ml in Water, 100ml

Resorcinol, 2000µg/ml in MeOH, 1ml

Perfluoro-n-pentanoic acid, 50µg/ml in MeOH, 1,2ml

2-Methoxy-1-propyl acetate, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 70657-70-4