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Humic acid–coated paper: An affordable mixed-mode weak-cation exchanger for isolating cocaine, codeine, and methadone from saliva samples for their direct infusion mass spectrometric analysis

Crossref DOI link: https://doi.org/10.1007/s00216-024-05566-5

Published Online: 2024-10-03

Published Print: 2025-03

Update policy: https://doi.org/10.1007/springer_crossmark_policy

Authors

Calero-Cañuelo, Carlos

Lucena, Rafael https://orcid.org/0000-0002-4625-2460
Cárdenas, Soledad
Funding

Funding for this research was provided by:

Ministerio de Ciencia, Innovación y Universidades (PID2020-112862RB-I00)
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Article History

Received: 24 July 2024

Revised: 11 September 2024

Accepted: 18 September 2024

First Online: 3 October 2024

Declarations

:

: This research has been developed in the framework of the PID2020–112862RB-I00 research project, which has received the approval from the Research Ethics Committee of the Province of Cordoba (ref. 4923).

: Soledad Cárdenas is an editor of Analytical and Bioanalytical Chemistry and guest editor of this topical collection but was not involved in the peer review of this paper.

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