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Exploration of novel solid-phase extraction modes for analysis of multiclass emerging contaminants
ID
Kravos, Aleksander
(
Avtor
),
ID
Prosen, Helena
(
Avtor
)
PDF - Predstavitvena datoteka,
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(4,04 MB)
MD5: DFC5420A9D52574B629A5D0A3827FA58
URL - Izvorni URL, za dostop obiščite
https://www.sciencedirect.com/science/article/pii/S0003267024007566
Galerija slik
Izvleček
Solid-phase extraction (SPE) has gained an essential role in environmental analytical chemistry. Classic off-line SPE coupled with LC-MS/MS systems creates powerful analytical procedures for ultratrace analysis of contaminants of emerging concern (CECs) in water. But, being associated with tedious work and large consumption of materials, alternative SPE modes are becoming interesting. As so, the study focuses on development, evaluation, and overall comparison of established and novel SPE modes. Off-line SPE, dispersive micro SPE (DMSPE), and ‘fast’ single-pump on-line SPE were explored, using commercially available sorbents. Their efficiency was evaluated on their performance in water analysis of 20 multiclass CECs. Hydrophilic-lipophilic sorbent and mixture of C18/C8 sorbents were the best choice for off-line and DMSPE, respectively. All optimized SPE modes coupled with UHPLC-MS/MS reached environmentally-relevant limits of detection (LODs 0.1− 12 ng L$^{−1}$), acceptable repeatability (<20 % RSD), and exhibited less than ±30 % matrix effects in real river water sample. Among all, on-line SPE showed a potential to fully replace the well-established off-line SPE and even improve analytical performance. This was due to the best repeatability (<10 % RSD), automatization, simplicity, the highest multiplexing capacity, as well as comparable LODs of <2 ng L$^{−1}$. DMSPE is, on the other hand, the most innovative and could be seen as a quick and green alternative to off-line SPE for determination of semi-to-nonpolar CECs, but within sub-10 ng L$^{−1}$ range. Overall, the study shows workflow for the exploration of important and promising sample pretreatment techniques in water analysis. Comparison of the developed three SPE-UHPLC-MS/MS methods suggests that alternative SPE modes can compete with the well-established off-line SPE and can even improve the analysis quality if properly applied.
Jezik:
Angleški jezik
Ključne besede:
contaminants of emerging concern
,
sample pretreatment
,
method development
,
off-line SPE
,
on-line SPE
,
dispersive micro solid-phase extraction
Vrsta gradiva:
Članek v reviji
Tipologija:
1.01 - Izvirni znanstveni članek
Organizacija:
FKKT - Fakulteta za kemijo in kemijsko tehnologijo
Status publikacije:
Objavljeno
Različica publikacije:
Objavljena publikacija
Leto izida:
2024
Št. strani:
12 str.
Številčenje:
Vol. 1319, art. 342955
PID:
20.500.12556/RUL-159801
UDK:
542.61
ISSN pri članku:
0003-2670
DOI:
10.1016/j.aca.2024.342955
COBISS.SI-ID:
201913091
Datum objave v RUL:
25.07.2024
Število ogledov:
125
Število prenosov:
47
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Objavi na:
Gradivo je del revije
Naslov:
Analytica chimica acta
Skrajšan naslov:
Anal. chim. acta
Založnik:
Elsevier
ISSN:
0003-2670
COBISS.SI-ID:
5085447
Licence
Licenca:
CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
Povezava:
http://creativecommons.org/licenses/by/4.0/deed.sl
Opis:
To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.
Sekundarni jezik
Jezik:
Slovenski jezik
Ključne besede:
novodobna organska onesnaževala
,
tehnike priprave vzorca
,
razvoj analiznih metod
,
off-line SPE
,
on-line SPE
,
disperzivna mikroekstrakcija na trdno fazo
Projekti
Financer:
ARIS - Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije
Številka projekta:
I0-0022
Naslov:
Mreža raziskovalnih infrastrukturnih centrov Univerze v Ljubljani (MRIC UL)
Financer:
ARIS - Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije
Številka projekta:
P1-0153
Naslov:
Raziskave in razvoj analiznih metod in postopkov
Financer:
ARIS - Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije
Program financ.:
Young researchers
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