Article(id=1321893307014296080, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1321893272490987695, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1751040000000, receivedDateStr=2025-06-28, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793093523981, onlineDateStr=2026-10-27, pubDate=1781712000000, pubDateStr=2026-06-18, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793093523981, onlineIssueDateStr=2026-10-27, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793093523981, creator=13701087609, updateTime=1793093523981, updator=13701087609, issue=Issue{id=1321893272490987695, tenantId=1146029695717560320, journalId=1225396423026438145, year='2026', volume='46', issue='6', pageStart='1', pageEnd='312', issueExtLink='null', onlineDate='null', pubDate='1781712000000', pubDateStr='2026-06-18', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793093515751, creator='13701087609', updateTime=1793094575775, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1321897718625194101, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1321893272490987695, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1321897718625194102, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1321893272490987695, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=272, endPage=278, ext={EN=ArticleExt(id=1321893307219816977, articleId=1321893307014296080, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Electrochemical Kinetics Study on the Oxidation-Reduction of Butyl Xanthate on Gold Surface, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=

To elucidate the electrochemical mechanism of the interaction between butyl xanthate (KBX) and gold minerals under alkaline conditions, and to provide theoretical support for the optimization of alkaline flotation processes for gold-bearing sulfide ores, unidirectional voltammetry, Tafel polarization curve method, and galvanostatic step technique were employed to systematically investigate the interfacial electrochemical behavior of a gold electrode in butyl xanthate solution at pH=9.18. The results indicate that the oxidation reaction of KBX on the gold electrode exhibits mixed electrochemical-mass transfer control characteristics. The oxidation product is the dimer X₂, and the forward reaction rate constant is 1.524 cm/s. The interaction between the gold electrode and the KBX system intensifies with increasing collector concentration. The chemisorption of butyl xanthate on the gold surface constitutes the critical rate-controlling step of the reaction. Process parameters such as grinding fineness and stirring intensity significantly affect the interaction efficiency between the collector and the mineral. The exchange current density for the reduction on the gold electrode surface, measured by the galvanostatic step technique, is 0.075 A/m², which is in high agreement with the corrosion current density obtained from the Tafel method, thereby verifying the reliability of the results.

, authors=Lili Cheng^{1, 2}, Wangqi He², Renjie Wang³, Rujing Wen³, Jian Zhong³, authorsList=Lili Cheng, Wangqi He, Renjie Wang, Rujing Wen, Jian Zhong, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1321893307546972690, articleId=1321893307014296080, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=丁基黄药在金表面氧化还原的电化学动力学研究, columnId=1226462297560892399, journalTitle=矿业研究与开发, columnName=选矿与资源综合利用, runingTitle=null, highlight=null, articleAbstract=

为阐明碱性条件下丁基黄药（KBX）与金矿物相互作用的电化学机制，为含金硫化矿碱性浮选工艺优化提供理论支撑，采用单向伏安法、Tafel极化曲线法和恒电流阶跃技术，系统研究pH=9.18条件下金电极在丁基黄药溶液中的界面电化学行为。结果表明：KBX在金电极上的氧化反应呈现电化学-传质混合控制特征，氧化产物为二聚物X₂，正向反应速率常数为1.524 cm/s；金电极与KBX系统的相互作用随捕收剂浓度的升高而增强，丁基黄药在金表面的化学吸附是反应速率的关键控制步骤；磨矿细度、搅拌强度等工艺参数显著影响捕收剂与矿物的作用效率；恒电流阶跃技术测得金电极表面还原的交换电流密度为0.075 A/m²，与Tafel法腐蚀电流密度高度吻合，验证了结果的可靠性。

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程琍琍（1983—），女，江西抚州人，博士，讲师，主要从事硫化矿电化学浮选等方面的研究。E-mail:chenglili2000@163.com

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程琍琍（1983—），女，江西抚州人，博士，讲师，主要从事硫化矿电化学浮选等方面的研究。E-mail:chenglili2000@163.com

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