Total Kjeldahl Nitrogen (N), 100µg/ml in Water, 100ml

Dopamine,1000 µg/mL,MeOH with 5% 1 M HCl,1mL,

Perfluoro-5-oxahexanoic acid (PFMBA), 50µg/ml in MeOH, 1,2ml

2,5-Dimethylheptane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 2216-30-0