BOD Calibraton Standard

N-Nitroso-4-(2-hydroxyethyl)-piperazin-2-one,neat,neat,10mg,

2,6-Dichlorobenzonitrile, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1194-65-6

Marbofloxacin, 100mg