Retention Marker Standard - TX1005

2-Hydroxy-3-methylbutyric acid

Pholcodine-N-oxide 1, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 433308-89-5

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Heavy 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)