Cations Std. Level 2 Back Catalog number: 59907 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 683776 trans-Permethrin, 100 µg/ml, Cyclohexane, 1ml Price on request 53000 Water Blank - Absolute Grade Price on request DD-28-S 2,8-Dichlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane Price on request