2,4,5-T

1,2,3,5,6,8-Hexachloronaphthalene, 1.2mL x 50ug/mL, nonane

Cefoxitin sodium salt, 250mg

n-Alkanes C14-C32 (even + pristane/phytane) 12 Analytes, each 1000 µg/mL in isooctane; units: 1x1mL, 5x1mL, 10x1mL This standard includes all the even n-paraffins + pristane and phytane.