Selenium (Se) Back Catalog number: 59960 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 91206 EPA Method 8310 Surrogates, 50µg/ml in MeChl, 1ml Price on request CFN98749 Aloeemodin, >98%, 20mg Price on request 11146.24-K-IO Tris(2,6-dimethylphenyl) phosphate,1000 µg/mL,isooctane,1mL, Price on request