25-Hydroxyvitamin D2 (95%)

Sulfur Calibr. Mix. Dibenzothiophene in White oil (20 cSt)Unit: 10mL screw-capped bottle Matrix White oil White Oil Concentration Isooctane Toluene 3 cSt

2,3,7,8-Tetrachlorodibenzo-p-dioxin

Check Mix, EPA 610 8 Analytes, each concentration as listed in acetonitrile; units: 1x1mL, 5x1mL 0711.10 Naphthalene [91-20-3] 100 µg/mL 0002.12 Acenaphthylene [208-96-8] 100 µg/mL 0732.12 Acenaphthene [83