Gun Shot Residue Single Element Kit Back Catalog number: 52257 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11277.19-100-AN Pyridaben-d13 (4-tert-butyl-d9-benzyl-2,3,5,6-d4),100 µg/mL,acetonitrile,1mL, Price on request 673858 Acifluorfen, 100 µg/ml, Acetonitrile, 5ml Price on request 10610.14-K-IO Diallylphthalate Price on request