Banca de DEFESA: RENILSON DE OLIVEIRA MAPELE

Uma banca de DEFESA de MESTRADO foi cadastrada pelo programa.
STUDENT : RENILSON DE OLIVEIRA MAPELE
DATE: 02/08/2021
TIME: 09:00
LOCAL: Remotamente pelo google meet
TITLE:

APPLICATION OF HS-GC-FID IN ANALYSIS OF SOIL SAMPLES CONTAMINATED WITH COMMERCIAL GASOLINE

 

KEY WORDS:

contaminated soil; gasoline; headspace; gas chromatography; thermal analysis

PAGES: 87
BIG AREA: Ciências Exatas e da Terra
AREA: Química
SUBÁREA: Química Analítica
SPECIALTY: Instrumentação Analítica
SUMMARY:

This work aimed at evaluating the application of the HS-GC-FID technique for analysis of soil samples contaminated with gasoline. For this, samples of five types of soils from Rio Grande do Norte region were inserted in vials, contaminated with commercial gasoline, in the proportion of 3g soil/200 µL gasoline, and analyzed via HS-GC-FID (Shimadzu GC 2010). The samples were left open at room temperature, being sealed only at the time of each analysis. The data obtained from the chromatograms showed that the hydrocarbon concentration decay profile with time can be given by an exponential decay model of the type y = y0 + α e^-x/β (R² > 0.99). The TG/DTG data showed that the organic composition of the soil had a maximum value of 3.8% and a maximum moisture content of 1.0%. The XRD and XRF data showed that the main components of the soil are, respectively, silicon, aluminum and iron, present in the form of oxides.

 

BANKING MEMBERS:
Interno - 350509 - ANTONIO SOUZA DE ARAUJO
Externo à Instituição - GLAUBER JOSE TUROLLA FERNANDES - UNP
Presidente - 1149328 - VALTER JOSE FERNANDES JUNIOR