Selenium (Se) Back Catalog number: 57134 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72060 Dimethyl phthalate-d4 Price on request 81509 MCPA methyl derivative Price on request S-4393-2 S-4393-1 B[a]P/HCB Calibration Standard 2 (solvent : n- Nonane) Product S-4393-1 S-4393-2 S-4393-3 S-4393-4 S-4393-5 1356,6 Hexachlorobenzene 0,01 µg/mL 0,05 0,1 Price on request