PCB Mix 2.5 ppb Back Catalog number: 95259 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended E889052 Estrone-d4, 2,5mg Price on request S-4057-K-TX5 Sulfur Calibration Stock Solution Thiophene 1000 µg/mL in Toluene; unit: 5x1mL ampoules Please request for diluted samples in the range 1 to 1000 ng/mL. Price on request 722393 PAH standard for liquid chromatography 16 PAH acc. to. EPA Method 610 in acetonitrile pack of 1mL 2 392,00 Kč