Corrigendum to: A tutorial on AGREEprep an analytical greenness metric for sample preparationCorrigendum to: A tutorial on AGREEprep an analytical greenness metric for sample preparation Τυπογραφικό Λάθος Erratum 2024-04-112022enThe authors have noticed that the parameter assigned in Criterion 3 (Target sustainable, reusable, and renewable materials) during the evaluation of the second method involving SPME was not correct. As a result, the assessment results appearing in Fig. 3 were also not correct. The parameter assigned for this Criterion should have been “Only sustainable and renewable materials are used several times” with a score=1.0, rather than “< 25% of reagents and materials are sustainable or renewable and can only be used once” with a score=0.0. The latter parameter was not correct nor in accordance with a past report published by the same authors (https://doi.org/10.1016/j.trac.2022.116553). The correct versions of Fig. 3 and Fig. S3A, Fig. S3B, Fig. S3C are given below and the discussion concerning Scenario 2 in the second evaluated method involving SPME should be as follows: ........ “On the other hand, the final score of Scenario 2 (promoting safe chemicals/materials) was superior to the one obtained when applying the default weights, mainly due to the absence of non-sustainable materials and the green and “safe” features inherent to the SPME technology.” The authors apologize for any inconvenience caused.Refers to “A tutorial on AGREEprep an analytical greenness metric for sample preparation” which was published on August 2022. https://doi.org/10.1016/j.sampre.2022.100025http://creativecommons.org/licenses/by/4.0/Advances in Sample Preparation4Pena-Pereira_et_al_Adv. Sample Prep._4_2022.pdfChania [Greece]Library of TUC2024-04-11application/pdf3.0 MBfree Pena-Pereira, Francisco Javier Tobiszewski, Marek Wojnowski Wojciech Psyllaki Eleftheria Ψυλλακη Ελευθερια Elsevier