Isophorone-DNPH Back Catalog number: 83552 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680365 Benzylbenzoate, 100 µg/ml, Acetonitrile, 1ml Price on request NK-CVS-J PCDD & PCDF Calibration Kit, 6 x 200ul, nonane Price on request 43014 1-Fluoronaphthalene Price on request