Ammonium N-(pyridin-2-ylmethyl)oxamate (AmPicOxam): A Novel Precursor of Calcium Oxalate Coating for Carbonate Stone Substrates

A Pintus, MC Aragoni, G Carcangiu, V Caria, SJ Coles… - Molecules, 2023 - mdpi.com
Ammonium N-(pyridin-2-ylmethyl) oxamate (AmPicOxam), synthesized from O-methyl-N-
(pyridin-2-ylmethyl) oxamate, was spectroscopically and structurally characterized and …

Lime and Cement Plasters from 20th Century Buildings: Raw Materials and Relations between Mineralogical–Petrographic Characteristics and Chemical–Physical …

S Columbu, M Usai, C Rispoli, D Fancello - Minerals, 2022 - mdpi.com
This paper deals with the “modern” plaster mortars based on air lime, hydraulic lime, and
cement used between the 1950s and 1990s of the last century, taking, as a case study, a …

Facile two-step deposition of calcium oxalate film on dolomite to improve acid rain resistance

J Zha, Y Gu, S Wei, H Han, F Wang, Q Ma - Crystals, 2022 - mdpi.com
The deposition of a calcium oxalate layer on dolomite demonstrates potential application in
stone culture heritage conservation. However, due to insufficient coverage and the presence …

Mineralogical-petrographic and physical-mechanical features of the construction stones in Punic and Roman temples of Antas (SW Sardinia, Italy): Provenance of the …

S Columbu, E Gaviano, LG Costamagna, D Fancello - Minerals, 2021 - mdpi.com
The Antas site (SW Sardinia, Italy) is of fundamental cultural importance because it testifies
the presence of Nuragic, Punic and Roman civilizations from the second millennium to the …

[HTML][HTML] Applicability and efficacy of an enhanced nanolime consolidation technique for British Museum limestone objects

C Maucourant, F O'Flaherty, A Drago - Journal of Cultural Heritage, 2023 - Elsevier
Stone consolidation is one of the most important and complex treatment actions performed
in museums. However, products routinely applied on limestone objects are often chemically …

N,N′-Dibutyloxamide

E Podda, E Dodd, M Arca, MC Aragoni, V Lippolis… - Molbank, 2023 - mdpi.com
N, N′-dibutyloxamide (1) was prepared by reacting diethyloxalate with n-butylamine in
ethyl alcohol and characterized by microanalytical techniques, FT-IR, and NMR …

Mining exploration, raw materials and production technologies of mortars in the different civilization periods in Menorca Island (Spain)

S Columbu, A Depalmas, G Brodu, G Gallello… - Minerals, 2022 - mdpi.com
This study deals with the mortars and subordinately rocks collected from the archaeological
site of Cap de Forma, that is a “Bien de Interés Cultural” located on a cape along the …

N,N′-Dipropyloxamide

E Podda, E Dodd, M Arca, MC Aragoni, V Lippolis… - Molbank, 2023 - mdpi.com
N, N′-Dipropyloxamide (1) was synthesised by the reaction between diethyloxalate and n-
propylamine in ethanol. Compound 1 was fully characterised by both microanalytical …

Preliminary investigation of sequential application of different calcium oxalate solutions for carbonate rock conservation

J Zha, Y Gu, S Wei, H Han, A Wang, Q Ma - Coatings, 2022 - mdpi.com
Being inspired by nature, a series of experiments was carried out to deposit a calcium
oxalate layer on the surface of the stone by the reaction between carbonate rock and oxalate …

Advanced decay of the Fontvieille porous limestone used in the construction of Pouillon's housing estates in Algiers (Algeria)

NR Touloum, A Brara - Journal of Archaeological Science: Reports, 2023 - Elsevier
Numerous residential complexes were designed and built on the coastline of Algeria during
the 1950 s by the renowned architect Fernand Pouillon using the Fontvieille soft porous …