Articles suitable for publication in the journal Química Nova are those written in Portuguese, English, or Spanish and that cover the traditional fields of chemistry as well as articles on chemical education, the history of chemistry, science policy, etc., besides articles on related fields, as long as they have a substantial chemical content. Publications may be in the form of Original Articles, Articles on Education, Technical Notes, General Subjects, and Review Articles.
Original Articles: for communicating original research. Articles should include the sections Introduction, Experimental, Results and Discussion, Conclusions, and References as appropriate for the work being submitted. An Original Article, including figures, tables, diagrams, etc., should require no more than 25 pages.
Articles on Education: for communicating on topics related to learning and teaching chemistry at undergraduate/postgraduate levels and for disseminating innovative experiments useful for introducing chemical phenomena to undergraduates and postgraduates. These articles should be no longer than 25 pages (including figures, tables, diagrams, etc.).
Technical Notes: for communicating methods, techniques, equipment, and accessories developed in the author's laboratory, as long as they have a substantial chemical content. Notes should include Introduction, Experimental, Results and Discussion,Conclusions, and References as appropriate for the work being submitted. Technical Notes should be no longer than 25 pages (including figures, tables, diagrams, etc.).
General Subjects: for communicating on topics of general interest for chemists, such as science policy, undergraduate and postgraduate programs, history of Chemistry, etc. These articles should be no longer than 40 pages (including figures, tables, diagrams, etc.).
Review Articles: for communicating progress in a specific field of chemistry, with the objective of providing a critical account of the state-of-the-art from the point of view of the highly qualified and experienced specialist. Review Articles should be no longer than 40 pages (including figures, tables, diagrams, etc.).
It is essential for authors to have publications in the field reviewed, attesting to their experience and qualification. Before submitting the manuscript, author(s) should send an e-mail to the editors with an abstract of the review and a letter explaining the relevance of the publication. The material will be examined by the editors, and once approved, authors will be requested to submit the full manuscript, according to Química Nova guidelines. This manuscript will then be submitted to referees to be evaluated. Acceptance of submission does not guarantee publication of the final manuscript.
2. Prior to the submission
The Experimental section may precede or follow the Results and Discussion section, but must be separated from it. TheConclusions section, which briefly summarizes the main conclusions of the work, must be present immediately after the Results and Discussion section.
Experiments should be described in sufficient detail to enable other researchers to repeat them. The degree of purity of materials and their quantities should be reported. Descriptions of established procedures are unnecessary. An apparatus should be described only if it is non-standard. Commercially available instruments should be referred to by their suppliers and models.
All new compounds should be fully characterized using analytical methods, which include spectroscopy and elemental analyses. High-resolution mass spectra may substitute for elemental analyses if accompanied by unequivocal proof of sample purity (melting points, copies of NMR spectra, etc.). For compounds prepared in enantiomerically pure or enriched form, specific optical rotation must be reported. In cases where enantiomeric excess is determined by chromatographic and/or spectroscopic techniques, copies of the appropriate chromatograms and/or spectra should be included as Supplementary Material (please see Supplementary Material section).
Many theoretical and computational papers use a routine procedure based on a well-documented method, be it semi-empirical or ab initio. In such cases, it is sufficient to name the particular variant (referring to key papers in which the method has been developed), to cite the computer program used, and to indicate briefly any modifications made by the author.
Manuscripts written in English, considered for further evaluation, are expected to be accompanied with a certificate from a professional editing company, attesting that the text was submitted for a formal review of English language and grammar. The certificate should be sent through the platform ScholarOne, when submitting the revised version of the manuscript.
Preparation of Manuscripts
Supplementary Material should be the last element of the manuscript, and should contain relevant and complementary information to that already presented in the manuscript (please see Supplementary Material section).
The first unit of the address should be the department where the work was conducted, following which the faculty/institute, university, zip code, city, and country should be indicated. Laboratory, postgraduate programs, and courses should not be included in the address. As shown in the example, the corresponding author should be indicated with an asterisk (*) and her/his email address placed right after the address(es). The second page should contain the title and abstract of the work, both in English. The length of an Abstract should not exceed two hundred (200) words. In addition, 3-5 keywords (keywords), also in English, should be included below the abstract. The text should start from the third page of the manuscript.
Throughout the text, the author should note the following rules:
Guidelines for Graphical Elements and Tables
Structural Formulas and Chemical Equations: all chemical structures and equations should have the same font throughout the manuscript.
Photographs: photographs should be highly contrasted, positive, and not mounted. When necessary, the scale should be indicated on the photograph itself, not below. No photos of commercial equipment will be accepted.
Tables: tables should be formatted to provide information to the reader in a straightforward manner. Shades of color and bold lettering are discouraged. Authors should indicate any extra information as a footnote with superscripted letters (e.g., a, b, c) at the appropriate locations.
Graphical Abstract: the figure should summarize the content of the manuscript in a concise, pictorial form, and should be designed to capture the attention of a wide readership. The author should not duplicate a graphic from the main text of the article but present a new figure based on a key structure, reaction, equation, concept, graphic, theorem, etc. Artistic and imaginative use of colors in the Graphical Abstract is encouraged. The use of photos of commercial equipment is not appropriate.
Attention: the high-resolution image (*.tiff /*.jpg or other formats that can be edited) should fit in an area no larger than 8 cm (width) by 4 cm (height) [the author should ensure that the annotations in the image are readable at these dimensions]. Along with the figure for Graphical Abstract, a short explanatory text (three lines, at the most) should be included below it.
Guidelines for Citations and Reference list
The format for year, volume, and pages presented below for various types of literature should be followed. Punctuation, spacing, and regular/bold/italics font-type should be checked carefully. Manuscripts with references that do not adhere to the norms of the journal will be returned to the author until the errors are checked and corrected.
Patents should be identified as follows (where possible, the Chemical Abstracts number should be provided):
Computer Programs (software)
Presentations at Meetings
Manuscripts Including NMR, IR, Mass Spectra, etc.
Graphical elements and tables for Supplementary Material should be sequentially numbered as in the following examples: Figure 1S, Figure 2S, Table 1S, Table 2S.
The Supplementary Material is a separate document. If references are used, they should be listed at the end of theSupplementary Material and numbered as 1S, 2S, etc.
Editors, at any time of the editing process, may ask authors to remove portion(s) of the manuscript and include it in theSupplementary Material.
3. Submitting the manuscript
Química Nova offers only online submission.
All authors must have their names registered in the platform. Thus, during submission, fill the requested forms and provide the correct email addresses of the co-authors.
Warning: From the second issue of vol. 38 onwards, Química Nova will be printed only in black and White, except for graphical abstracts. When composing the figures, one should keep in mind that they will be converted at the time of printing, avoiding loss of information based solely on the colors. The online version of Química Nova will remain to be published in color.
The editors of Química Nova reserve the right to make minor changes to the manuscript, if necessary, so that the paper conforms to the norms of the Journal or to improve the style without modifying the content of the article. Whatever the nature of the manuscript, it should be original in terms of methodology, information, interpretation, and critique. The quality of the article can be attested by two referees indicated by the editors.
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