Benzaldehyde-DNPH Back Catalog number: 83540 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59277 pH 8.0 Standard @ 25°C, in water, 100ml Price on request 2372.7-K-IO Guaiacol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 90-05-1 Price on request 8920.7-100-DC 2,4-Dichlorobenzonitrile, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 6574-98-7 Price on request