Gun Shot Residue Single Element Kit Back Catalog number: 52257 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71980 1,trans-2,cis-4-Trimethylcyclohexane Price on request 70042 Bromacil Price on request 673720 Trifluralin, 100 µg/ml, Ethyl acetate, 5ml Price on request