D4-Ochratoxin A, 100 µg/ml, Acetonitrile, 1ml

4-Methyl-1,3-dioxolane

2,3,3',4',5-Pentachloro-4-biphenylol, 1.2ml x 50ug/ml, nonane

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