Napthol Yellow Back Catalog number: 72598 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended EPA-8290RSS Recovery Standard Solution, 1.2ml, nonane Price on request S-4228-10MLX5 4 Fluorinated Internal Standard Mix 4 Analytes, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% Fluorobenzene 16.7 1-Fluoronaphthalene 8 Price on request 8550.7-KIT Individual 'Dutch Seven' F-PCB Kit (2228.12-100-IO, 2660.12-100-IO, 2865.12-50-IO, 8353.12-50-IO, 2871.12-50-IO, 2746.12-50-IO, 3730.12-50-IO ), , Solvent-, Unit Kit, # of units-, Cas.no. Price on request