PCB-Mix 21, 10µg/mL in Cyclohexane, 10ml

Nitrate (NO3-) as N

Tetrasul, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 2227-13-6

4-Bromodibenzofuran, 1.2ml x 50ug/ml, toluene