EF-988
1,2,3,4,7,8,9-HEPTACHLORODIBENZOFURAN (13C12, 99%) 50 UG/ML IN NONANE
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1,2,3,4,7,8,9-HEPTACHLORODIBENZOFURAN (13C12, 99%) 50 UG/ML IN NONANE

CHLOROBENZENE COCKTAIL TETRA/PENTA/HEXA ISOMERS (13C6, 99%) 100 UG/ML IN ISOOCTANE

CHLOROPHENOL COCKTAIL TRI/TETRA/PENTA ISOMERS (13C6, 99%) 100 UG/ML IN ISOOCTANE

CHLOROGUAIACOL COCKTAIL UNLABELED IN ACETONE

CHLOROCATECHOL COCKTAIL UNLABELED IN ACETONE

BROMKAL 70-5 DIPHENYL ETHER UNLABELED 50 UG/ML IN METHANOL

4-MONOBDE (BDE-3) (13C12, 99%) 50 UG/ML IN NONANE

DECABDE (BDE-209) (13C12, 99%) 50 UG/ML IN NONANE

METHOD 1614 SECONDARY NATIVE PAR SOLUTION B