Citrate-Extraction-Mix Back Catalog number: 674482 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 2039.12-50-NN Octachlorodibenzofuran,50 µg/mL,n-nonane,1mL, Price on request 33263 Chloroacetic acid Price on request 677977 Ethion, 100 µg/ml, Toluene, 1ml Price on request