Potassium (K), 1000µg/ml in 2%-HNO3/Water, 100ml

Spiking Standard Kit

2,2',4,4',5-Pentachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 38380-01-1

4,4'-Dichlorobenzophenone,neat,neat,250mg,