Quantitative Paraffins Standard, 6,25% w/w, 2ml Back Catalog number: D-5307-QUANT Availability: In the manufacturer's stock Price on request - + Recommended 52328 Trace Elements #4 Price on request 678627 Acrolein-2,4-DNPH, 25mg Price on request 79114 2,4’-DDE, 1000µg/ml in Hexane, 1ml Price on request