Citric acid [0.1% wt]

2,2',4,5,5'-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Mass-Labelled PCDD/PCDF Solution/Mixture , 1.2ml , nonane

Methyl-PAH Mixture 1 7 Analytes, each 40 µg/mL in cyclohexane; unit: 1x1mL 0005.21 3-Methylcholanthrene [56-49-5] 0296.19 5-Methylchrysene [3697-24-3] 0100.20 3,9-Dimethylbenz[a]anthracene [316-51-8]