Mass-Labelled PCB Extraction Standards, 1.2ml, nonane Back Catalog number: PCB-LCS-H Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 685020 3,5-Dinitroaniline, 100mg Price on request 79004 Acetone, 1000µg/ml in MeOH:Water (9:1), 1ml Price on request 70496 4-Nitroquinoline-1-oxide Price on request