Mass-Labelled PCB Solution/Mixture , 1.2ml, nonane Back Catalog number: PCB-LCS-A20 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 9020.6-K-AN 2-Nitro-4-diphenylenediamine, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 3694-52-8 Price on request 97871 Phenylacetylene Price on request VHG-INH41K-100 Ammonium Standard: NH4+, 1000µg/ml in Water, 100ml Price on request