L-(+)-Ascorbic acid, certified, 0.25g Back Catalog number: C10303000 Availability: In the manufacturer's stock Price on request - + Recommended DF-LCS-B40 Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml, nonane Price on request 8464.1-100-W Aminomethylphosphonic acid, 100µg/mL, Solvent-water, Unit 1mL, # of units-1, Cas.no. 1066-51-9 Price on request SCP150-410-010 CONOSTAN S in Diesel Fuel, 500ppm, 100g Price on request