Calion Internal Standard Back Catalog number: 50804 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-1234678-S 1,2,3,4,6,7,8-Heptachlorodibenzofuran , 1.2ml x 50ug/ml, nonane Price on request XA11890400AC trans-Cypermethrin D6 (dimethyl D6), 100 ng/µl, 1.1ml Price on request 675648 Prosulfuron, 100 µg/ml, Acetonitrile, 5ml Price on request