4,4'-DDT (ring-13C12), 100ug/ml in n-Nonane, 1,2ml

Perfluoro-n-[1,2-13C2]dodecanoic acid, 50µg/ml in MeOH, 1,2ml

800 ppm TDS solution (box of 25x20mL sachet)

AK102 Retention Time Window Solution