Sodium p-n-dodecylbenzenesulfonate, 100µg/mL in MeOH, 1ml

Methanol QC Reference Mixture III n-Butyl sulfide, 0.5 ppm (weight S by weight) in 99.9 % methanol; units: 1x10mL, 5x10mL

Pantoprazole sulfide,neat,neat,10mg,

EPA Method 502/524 Volatile Mix F