LC/MS Caffeine Standards Kit

Capillary Column Test Mixture in methylene chloride (dichloromethane)

Caffeine Standards Kit

Deuterated PAH Mixture 200 µg/mL in toluene

Deuterated PAH Mixture 200 µg/mL in methylene chloride (dichloromethane)

Surrogate Standard Mixture 500 µg/mL in acetone

Surrogate Standard Mixture 500 µg/mL in acetone

Internal Standard Mixture 1000 µg/mL in isopropanol (isopropyl alcohol)

EPH Fractionation Surrogate Standard Mixture 40 µg/mL in hexane

Internal Standard Mixture 2000 µg/mL in methylene chloride (dichloromethane)