L-Ascorbic Acid-13C6, 1mg

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

Anthracene-d10, 100mg

Beflubutamid, 100 µg/ml, Acetonitrile, 5ml