"Dioxin-Like" PCBs Calibration Kit , 7 x 500ul, nonane Back Catalog number: WP-CVS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 676774 Propachlor ESA sodium salt, 10mg Price on request 50224 Calcium Chloride Solution (CaCl2) Price on request 2186.6-100MG Perfluorohexane sulfonylfluoride, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 423-50-7 Price on request