An acidic-groups detection method and its application to analysis of Chinese humic acid samples

• Pengfei Xu ,

  Contributed equally to this work with: Pengfei Xu, Yuhao Wang

  Roles Investigation, Writing – original draft

  Affiliation School of Bioengineering, State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China

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• Yuhao Wang ,

  Contributed equally to this work with: Pengfei Xu, Yuhao Wang

  Roles Data curation, Investigation

  Affiliation School of Bioengineering, State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China

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• Xue Li,

  Roles Data curation

  Affiliations School of Bioengineering, State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China, Yinfu (Jinan) Biotechnology Co., Ltd, Jinan, China

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• Qingshuang Chen,

  Roles Investigation

  Affiliations School of Bioengineering, State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China, Shandong Asia-Pacific Haihua Biotechnology Co., Ltd, Jinan, China

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• Lujiang Hao,

  Roles Resources

  Affiliation School of Bioengineering, State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China

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• Jie Zhang ,

  Roles Funding acquisition, Project administration, Resources, Writing – review & editing

  * E-mail: zhangjie@qlu.edu.cn (JZ); zhuxl2001@126.com (XZ); baoleijia@cau.ac.kr (BJ)

  Affiliation School of Bioengineering, State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China

  http://orcid.org/0000-0003-1553-5043

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• Xiaoling Zhu ,

  Roles Data curation, Formal analysis, Writing – review & editing

  * E-mail: zhangjie@qlu.edu.cn (JZ); zhuxl2001@126.com (XZ); baoleijia@cau.ac.kr (BJ)

  Affiliation Shandong Academy of Agricultural Sciences, Jinan, China

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• Baolei Jia

  Roles Methodology, Writing – review & editing

  * E-mail: zhangjie@qlu.edu.cn (JZ); zhuxl2001@126.com (XZ); baoleijia@cau.ac.kr (BJ)

  Affiliation School of Bioengineering, State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China

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