Peer review is an essential part in the publication process, ensuring that Separations maintains high quality standards for its published papers. In 2017, a total of 34 papers were published in the journal. Thanks to the cooperation of our reviewers, the median time to first decision was 27 days and the median time to publication was 72.5 days. The editors would like to express their sincere gratitude to the following reviewers for their time and dedication in 2017:
| Andersson, Håkan S. | Lucena, Rafael |
| Azzouz, Abdelmonaim | Luo, Wentai |
| Barloková, Danka | Luukkonen, Tero |
| Benito, José Manuel | Martínez-Espinosa, Rosa María |
| Bonnet, Pierre-Antoine | Mazzucco, Eleonora |
| Borrull, Francesc | Menet, Marie Claude |
| Boysen, Reinhard | Miecznikowski, K. |
| Burton, Casey | Mudalige, Thilak K. |
| Carvalho, Paulo | Neng, Nuno R. |
| Chemat, Farid | Olejnik, Malgorzata |
| Chen, Hsin-Chun | Onchoke, Kefa |
| Cheng, Keding | Oprean, Radu |
| Chisvert, Alberto | Pacheco-Fernández, Idaira |
| Chiu, Tai-chia | Papadoyiannis, Ioannis N. |
| Chung, Doo Soo | Patel, Saurin |
| Ciulu, Marco | Petrozziello, Maurizio |
| Dai, Yumin | Petruczynik, Anna |
| Dal Bello, Federica | Peyrin, Eric |
| Danielson, Neil | Piergiovanni, Angela Rosa |
| Dolowy, Malgorzata | Pintea, Adela |
| Fukushi, Keiichi | Pozo, Óscar J. |
| Galasiti Kankanamalage, Anushka | Protti, Michele |
| Ganzera, Markus | Purcaro, Giorgia |
| García-Reyes, Juan | Ribeiro, Claudia |
| Gilchrist, Elizabeth | Roper, Michael |
| Giokas, Dimosthenis | Roy, Sagar |
| Giovinazzo, Giovanna | Rusmin, Ruhaida |
| Girousi, Stella | Samanidou, Victoria |
| Gomez-Lopez, A. | Sequeira, Filipa |
| Gong, Maojun | Silva, Luís |
| Graikou, Konstantia | Sola, Laura |
| Guerrero, José | Sorensen, Dan |
| Harrison, Sabine | Sousa, Angela |
| Herráez-Hernández, Rosa | Stefanuto, Pierre-Hugues |
| Horvai, George | Storti, Giuseppe |
| Hrnčič, Maša Knez | Suter, Marc J.-F. |
| Hsieh, Yi-Ting | Szekely, Gyorgy |
| Joris, Koen | Tabata, Jun |
| Kalíková, Kvӗta | Takaichi, Shinichi |
| Kanamori, Takao | Torres-Padrón, M. Esther |
| Karla, Pradeep K. | Troise, Antonio Dario |
| Khatri, Kshitij | Trujillo-Rodríguez, María José |
| Kim, Tae Kon | Tuzimski, Tomasz |
| Kokosa, John M. | Ukic, Sime |
| Kovacic, Sebastijan | Vannini, Andrea |
| Koziel, Jacek | Wahab, M. Farooq |
| Kujawski, Wojciech | Weber, Günther |
| Kumeria, Tushar | Wenk, Jannis |
| Kusch, Peter | Wójciak-Kosior, Magdalena |
| Lahtela, Ville | Yamamura, Hiroshi |
| Lantz, Andrew | Yang, Xiaoyun |
| Lemma, Solomon | Yeh, Hsuan-Hsien |
| Ling, Yong-Chien | Zeković, Zoran |
| Locatelli, Marcello | Zhang, Mei |
| Logue, Brian A. | Zhu, Jiadeng |
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