Instrument Standard 1 Back Catalog number: 53077 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MET-13104AM1-1ML Propachlor ESA sodium salt, 100µg/ml in MeOH, 1ml Price on request D-404N 2,3,7,8-Tetrachlorodibenzo-p-dioxin, 1mg Price on request NAP3MHPS Sodium perfluoro-3-methylheptanesulfonate, 1.2ml x 50ug/ml, methanol Price on request