Citrate-Extraction-Mix Back Catalog number: 674481 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 2558.8-K-ME Styrene, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 100-42-5 Price on request C20591500 Benzo(b)furan, certified, 25mg Price on request TCDT-83 2,3,7,8-Tetrachlorodibenzothiophene, 1.2ml x 50ug/ml, toluene Price on request