Metals in Residual Oil Std 7, 100ml

6:2 FTOH, 50μg/ml in MeOH, 5ml

Internal Standard

n-Pentyl-iso-pentyl phthalate-3,4,5,6-d4 (n-Pentyl-3-methylbutyl phthalate-3,4,5,6-d4), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.