Selenium (Se) Back Catalog number: 57834 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 53050 Interference Standard 3 Price on request 8458.6-100 Oxydemeton-methyl, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 301-12-2 Price on request XA11340100DO Chlormequat-chloride D4, 100µg/mL in DO, 1ml Price on request