Instrument Standard 3 Back Catalog number: 52079 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673428 Pymetrozine, 10.0 µg/ml, Acetonitrile, 10ml Price on request 59811 Hexavalent Chromium (Cr +6) Price on request BB-31 2,4',5-Tribromobiphenyl, 1.2ml x 50ug/ml, nonane Price on request