Nitrate as (NO3-)

Aqueous Ethanol Standard (0.3g/l), 10 x 1,2ml

Quassin, mixture of isomers w/Neoquassin and Isoquassin, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 76-78-8

Ethiofencarb, 100 µg/ml, Acetonitrile, 5ml