DIOXIN/FURAN/CP-PCB PAR STANDARD IN NONANE/TOLUENE/…

DIOXIN & FURAN FOOD/FEED/QQQ CALIBRATION SERIES (CS…

US EPA METHOD 8290 "STARTER KIT"…

CARBON-13 QUANTIFYING COCKTAIL (2,3,7,8-PCDD/PCDF I…

METHOD 1613 CALIBRATION SOLUTIONS CS1-CS5…

2,3,4,7,8-PENTABROMODIBENZOFURAN UNLABELED 5 UG/ML …

1,2,3,4,7,8-HEXABROMODIBENZOFURAN (13C12, 99%) 5 UG…

1,2,3,4,7,8-HEXABROMODIBENZOFURAN UNLABELED 5 UG/ML…

TCDF-HPCDF WINDOW DEFINING MIXTURE (DB-5) IN NONAN…

2-CHLORODIBENZOFURAN UNLABELED 50 UG/ML IN NONANE…