Selenium (Se) Back Catalog number: 59960 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 53118 EPA Method 300.0 Anions Method A Price on request 11782.10 1,2,4,6,7-Pentachloronaphthalene,,,, Price on request 674054 Propamocarb hydrochloride, 10.0 µg/ml, Methanol, Price on request