1,2,3,5,7,8-Hexachloronaphthalene, 1.2ml x 50ug/ml, nonane Back Catalog number: PN-69S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended MA9063 84 µS/cm calibration solution (230mL) Price on request 63047 2,2’,4,4’-Tetrachlorobiphenyl Price on request 50152 Ammonia as N Price on request