Calibration Standard Set

1-n-Pentyl-2-phenylbenzimidazole, neat, Solvent-neat, Unit 10MG, # of units-31, Cas.no. 305347-17-5

Endrin, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 72-20-8

Nitrite Single as (NO2-)