Patent ID: 11965864
Assignee: PEKING UNIVERSITY
Field: Measurement (Instruments)
Classification: CPC G  Y | IPC G

Claim 1:
2. The quantitative source apportionment method based on nontarget HRMS data of pollution source and pollution receptor as claimed in claim 1, wherein step 1 comprises:
for an atmospheric particulate matter sample, acquiring the atmospheric particulate matter sample by using a large volume sampler and quartz fiber filter membranes, extracting non-polar organic compounds by using hexane and toluene and extracting polar organic compounds by using methanol and toluene to thus obtain an extract, and concentrating the extract under nitrogen gas;
for a water sample, extracting the water sample by using a composite solid-phase extraction (SPE) column comprising a lipophilic and hydrophilic balanced filler, a weak anion exchanger, a weak cation exchanger and a polar filler; sequentially eluting the composite SPE column by using neutral organic solution, acidic organic solution and alkaline organic solution to obtain an extract; and concentrating the extract under the nitrogen gas; and
for a soil or sediment sample, sequentially performing an shaking extraction by using neutral organic solution, acidic organic solution and alkaline organic solution; extracting the soil or sediment sample by using the composite SPE column comprising the lipophilic and hydrophilic balanced filler, the weak anion exchanger, the weak cation exchanger and the polar filler; sequentially eluting the composite SPE column by using the neutral organic solution, the acidic organic solution and the alkaline organic solution to obtain an extract; and concentrating the extract under the nitrogen gas.