Calibration Standard Mix 7

2-Ethyl-3,5-dimethylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 13925-07-0

Carmine, Natural red 4 (E 120), neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 1390-65-4

Nitrate as (NO3-)