Mixed Calibration Standard 4 Back Catalog number: 52056 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended BDE-202 2,2',3,3',5,5',6,6'-Octabromodiphenyl ether, 1.2ml x 50ug/ml, toluene Price on request 70582 Chlorbromuron, 1000μg/ml in Acetonitrile, 1ml Price on request PN-37S 1,2,5,7-Tetrachloronaphthalene, 1.2mL x 50ug/mL, nonane Price on request