Patent ID: 11860140
Assignee: SUFFOLK COUNTY WATER AUTHORITY
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 10:
11. A PFAS analyte detection system comprising:
an LC/MS/MS system operable utilizing ESI and configured to:
receive an injected volume of a sample containing one or more PFAS analytes of formula CnF(2n+1)—X;
wherein:
n is 3, 4, 5, 6, 7, 8 or 9; and
—X is —SO3H, —CO2H, —SO3−, or —CO2−;

subject the injected volume of the sample to ESI conditions that include a probe gas temperature of approximately 120° C. to approximately 180° C.; and
detect one or more PFAS analytes within the sample.