13C6-Niflumic acid, 10mg

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Light White Oil (less than 20mg/kg S) Unit : 10mL screw-capped bottle Light White Mineral Oil Heavy White Mineral Oil (20 cSt at 40°C) (70 cSt at 40°C)

2-hydroxy-3-methylpentanoic acid, >95%, 50mg

16 comp. 100 µg/mL in Toluene, 1mL in Ampoule