Total Kjeldahl Nitrogen as N

N-Nitrosobis(2-hydroxylpropyl)amine, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 53609-64-6

Zearalenone, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 17924-92-4

S-Metolachlor, 1000μg/mL in Acetone, 1ml