Diphenylamine, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 678394 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 678141 1,2-Dichlorobenzene, 1000mg Price on request 673059 Chloral hydrate, 250mg Price on request EPA-1668CS1,2,4,5 Individual Calibration Solutions , 200ul, nonane Price on request