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 54597 WP Total Hardness Price on request 675106 Sodium p-n-dodecylbenzenesulfonate, 100 µg/ml, Me Price on request 55312WV WP Fluoride Price on request