Selenium (Se)

EPA Method 8260 - Purgeable Internal Standard

15-cis-Tetracosenoic acid , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 506-37-6

Triticonazole, 10 µg/ml, Cyclohexane, 10ml