2,5-Dimethylbenzaldehyde-DNPH, 100µg/ml in AcN, 1ml Back Catalog number: M-8315-R-DNPH-09 Availability: In the manufacturer's stock Price on request - + Recommended EPA-537APDS EPA Method 537 Native Primary Std (br/l mix), 2µg/ml in MeOH, 1,2ml Price on request 682098 Bithionol, 250mg Price on request 1545.13-K-IO n-Tridecane-d28, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 121578-12-9 Price on request