Phthalic acid, bis-phenyl ester, certified, 0.5g

Boron (B)

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

p-Xylene Impurity Standard with Internal Standards 11 Analytes each Wt.% as listed; Units: 1x1mL, 5x1mL + ISTD, neat Chiron No. Name Wt. % Name Wt. % 1299.5 n-Pentane 0.15 1265.8 p-Xylene 98.65 1242.8 n-Octane 0.15 1266.8m-Xylene 0.15