Ultra-short Chain, Legacy, and Alternative PFAS on Raptor C18 in Reagent Water
|Column||Raptor C18 (cat.# 9304A1E)|
|Dimensions:||100 mm x 3 mm ID|
|Particle Size:||2.7 µm|
|Pore Size:||90 Å|
|Inj. Vol.:||10 µL|
|A:||Water, 5 mM ammonium acetate|
|Notes||A PFAS delay column (cat.# 27854) was installed between the pump mixer and the injector.|
In a polypropylene vial, 250 µL of reagent water (fortified at 80 ppt) was mixed with 250 µL of 40:60 reagent water:methanol and 5 µL of internal standard solution (5 ng/mL of 13C2-PFHxA, 13C2-PFOA, 13C4-PFOS in methanol). The vial was capped with a polyethylene cap prior to analysis.
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