Selenium (Se) Back Catalog number: 59960 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 4:2FTS Sodium 1H,1H,2H,2H-perfluorohexane sulfonate (4:2), 1.2ml x 50ug/ml, methanol Price on request 70356 Dichloroacetonitrile Price on request 79264 Bromoxynil Price on request