AK102 Retention Time Window Solution

Di-n-heptyl phthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3648-21-3

[13C12]Dibenzofuran, 1.2ml x 50ug/ml, toluene

Hexavalent Chromium (Cr +6)