Gun Shot Residue Single Element Kit Back Catalog number: 52257 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675132 Penoxsulam, 100 µg/ml, Acetonitrile, 1ml Price on request 9513.12-100-IO 4-Chloro-2'-fluorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 72093-45-9 Price on request 2515.7-K-ME Salicylic acid (2-Hydroxybenzoic acid), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 69-72-7 Price on request