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EC-5087

EC-5087

TOXIC AND PREDOMINANT PCB SPIKING STANDARD (13C12, …
EC-5163

EC-5163

PCB SYRINGE SPIKE (PCB-70/111/138/170) (13C12, 99%)…
EC-5181

EC-5181

PCB SYRINGE SPIKE (13C12, 99%) 100 NG/ML IN NONANE…
EC-5186

EC-5186

WHO + 170 +180 + SYRINGE PCB CALIBRATION SOLUTIONS …
EC-5315

EC-5315

WHO+170+180+SYRINGE PCB CALIBRATION SOLUTIONS (LOW)…
EC-5323-H

EC-5323-H

MODIFIED JIS PCB CALIBRATION SOLUTIONS CS1H-CS5H (U…
EC-5324

EC-5324

MODIFIED JIS PCB CLEAN-UP SPIKE (13C12, 99%)…
EC-5325

EC-5325

MODIFIED JIS PCB SYRINGE SPIKE (13C12, 99%) 50 NG/M…
EC-5326

EC-5326

MODIFIED JIS PCB SAMPLING SPIKE (13C12, 99%)…
EC-5350

EC-5350

POPS PESTICIDES HRMS (PCB) SYRINGE SPIKE (13C, 99%)…