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João Figueira

Umeå University

SCHOLARLY PAPERS

4

DOWNLOADS

227

TOTAL CITATIONS

1

Scholarly Papers (4)

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1.

Influence of Divalent Cations on the Extraction of Organic Acids in Coffee Determined by Gc-Ms and Nmr

Downloads 101 (684,672)

Influence of Divalent Cations on the Extraction of Organic Acids in Coffee Determined by Gc-Ms and Nmr

Number of pages: 23 Posted: 07 Jul 2023
Tove Bratthäll, João Figueira and Malin L. Nording
Umeå University, Umeå University and Umeå University
Downloads 55 (1,027,773)

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coffee brewing, magnesium, calcium, GC-MS, NMR, organic acid

Influence of Divalent Cations on the Extraction of Organic Acids in Coffee Determined by Gc-Ms and Nmr

Number of pages: 26 Posted: 13 Feb 2024
Tove Bratthäll, João Figueira and Malin L. Nording
Umeå University, Umeå University and Umeå University
Downloads 46 (1,131,842)

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coffee brewing, magnesium, Calcium, GC-MS, NMR, organic acid

2.

Organo-Chemical Characterisation of Peat Decomposition Reveals Preferential Degradation of Hemicelluloses as Main Cause for Organic Matter Loss in the Acrotelm

Number of pages: 24 Posted: 07 Mar 2022
Henrik Serk, Mats B. Nilsson, João Figueira, Jan Paul Krüger, Jens Leifeld, Christine Alewell and Jürgen Schleucher
affiliation not provided to SSRN, Swedish University of Agricultural Sciences (SLU), Umeå University, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and Umeå University
Downloads 60 (970,490)
Citation 1

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2D NMR, hemicellulose, cellulose, peat, organic matter, isotopes

3.

Evolution of Hydration in Cement Blends with Activated Low-Kaolinite Clays: Insights into Aluminum Incorporation

Number of pages: 53 Posted: 25 Aug 2025
Amrita Hazarika, Liming Huang, João Figueira and Arezou Baba Ahmadi
Chalmers University of Technology, Department of Architecture and Civil Engineering, Chalmers University of Technology, Umeå University and Chalmers University of Technology
Downloads 44 (1,133,231)

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low-kaolinite, thermo-mechanical activation, NMR, hydration, C-(A)-S-H.

4.

Evolution of Carbonation in Cement Blends with Incorporation of Activated Low-Kaolinite mix layer Clays: Insights into Hydrate phase assemblage, C-A-S-H Structure and Porosity

Number of pages: 76 Posted: 09 Feb 2026
Sahar Iftikhar, Ingemar Löfgren, João Figueira, Helén Jansson, Jelke Dijkstra and Arezou Baba Ahmadi
Chalmers University of Technology, Chalmers University of Technology, Umeå University, Chalmers University of Technology, Chalmers University of Technology and Chalmers University of Technology
Downloads 22 (1,424,331)

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low-kaolinite, carbonation, hydrate phase assemblage, C–A–S–H decalcification, pore structure evolution