Citrate-Extraction-Mix Back Catalog number: 674481 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 2206.14-K-IO 2-Nitrophenanthrene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17024-18-9 Price on request 79146 2,3,4,5-Tetrachlorophenol Price on request 673620 gamma-HCH, 100 µg/ml, Ethyl acetate, 5ml Price on request