Nortriptyline-d3 hydrochloride (N-methyl-d3)

Chromium (Cr)

Custom mix of naphthalenes, diluted Same components as S-4747, at lower concentrations 0711.10 Naphthalene 92µg/mL 0713.11 2-Methylnaphthalene 233 0721.12 1,2-Dimethylnaphthalene

Alachlor D13 (2,6-diethylphenyl D13), 100 ng/µl, 1.1ml