Mass-Labelled PCB Extraction Standards, 1.2ml, nonane

9-Nitroanthracene-d9, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 220381-38-4

Basic green 4, chloride,neat,neat,100mg,

Tributyl phosphate, 100 µg/ml, Methanol, 5ml