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EC-5367

EC-5367

CDC PCB SPIKING STANDARD (13C12, 99%) IN METHANOL…
EC-5370

EC-5370

EN-1948-4 PCB SAMPLING STANDARD (13C12, 99%) 100 N…
EC-5371

EC-5371

EN-1948-4 PCB RECOVERY STANDARD (13C12, 99%) 100 N…
EC-5372

EC-5372

EN-1948-4 WHO PCB EXTRACTION STANDARD (13C12, 99%) …
EC-5375

EC-5375

MARKER-7 PCB MIXTURE (W/ PCB-118) (13C12, 99%) 100…
EC-5379

EC-5379

EN-1948-4 MARKER PCB EXTRACTION STANDARD (13C12, 99…
EC-5379-5X1.2

EC-5379-5X1.2

EN-1948-4 MARKER PCB EXTRACTION STANDARD (13C12, 99…
EC-5380

EC-5380

EN-1948-4 WHO PCB CALIBRATION SERIES (CS1-CS6) (UNL…
EC-5411

EC-5411

PREDOMINANT MONO-DECA PCBS (13C12, 99%) 2000 NG/ML…
EC-5412

EC-5412

NATIVE PREDOMINANT MONO-DECA PCBS UNLABELED 2000 N…