1,2-Benzofluorene Back Catalog number: 73442 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended EPA-513CVS EPA Method 513 Calibration Kit, 6 x 500ul, nonane Price on request 675827 Demeton-S-methyl-sulfone, 100 µg/ml, Toluene, 1m Price on request 31482 EPA Method 507 Nitrogen Phosphorus Pesticides Price on request