QC Standard 2 Back Catalog number: 52085 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70986 1,1-Dibromoethane Price on request 681349 1-Naphthyl acetic acid-ethyl ester, 250mg Price on request 673202 Atrazine, 10.0 µg/ml, Acetonitrile, 10ml Price on request