PSA-CaCl2Mix 6 Back Catalog number: 674517 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 10636.12-50-NN 2,3,4,6,7,8-Hexachlorodibenzofuran ,50 µg/mL,n-nonane,1mL, Price on request 50282 QC-21 - ICP Optical Price on request 70409 1,3,5-Trichlorobenzene, 1000µg/ml in MeOH, 1ml Price on request