"Dioxin-Like" PCBs Calibration Kit , 7 x 500ul, nonane Back Catalog number: WP-CVS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 54517 Formic Acid (Formate) Price on request 95639 Pesticide Standard Price on request D4911 trans-4'-(3,4-Difluorophenyl)bicyclohexyl-4-one, >98%, 1g Price on request