Results 31 to 40 of about 1,187 (190)

Current Research on Artificial Arsenic Sulphide Pigments in Artworks: A Short Review

CHIMIA, 2008
A general re-examination of the artificial arsenic sulphide pigments orpiment, realgar and alacranite using polarised light microscopy (PLM), scanning electron microscopy (SEM) combined with energy and wavelength dispersive X-ray analysis (EDX ...
Günter Grundmann, Mark Richter
doaj   +1 more source

Mineral Arsenicals in Traditional Medicines: Orpiment, Realgar, and Arsenolite [PDF]

The Journal of Pharmacology and Experimental Therapeutics, 2008
Mineral arsenicals have long been used in traditional medicines for various diseases, yet arsenic can be highly toxic and carcinogenic. Arsenic in traditional medicines typically comes from deliberate addition for therapeutic purposes, mainly in the form of mineral arsenicals, including orpiment (As2S3), realgar (As4S4), and arsenolite (contains ...
Jie, Liu, Yuanfu, Lu, Qin, Wu, Robert A, Goyer, Michael P, Waalkes   +4 more
openaire   +2 more sources

The Features of Native Gold in Ore-Bearing Breccias with Realgar-Orpiment Cement of the Vorontsovskoe Deposit (Northern Urals, Russia)

, 2021
This paper describes native gold in ore-bearing breccias with realgar-orpiment cement from the Vorontsovskoe gold deposit (Northern Urals, Russia).
Roman S. Palamarchuk, Dmitry A. Varlamov, Radek Škoda, Anatoly V. Kasatkin, Darya V. Kiseleva, Ludmila N. Sharpyonok, Sergey Y. Stepanov   +6 more
core   +1 more source

Research on the Hyperspectral-based Unmixing Model of Composite Pigments on Mural Surfaces [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
Murals constitute an invaluable component of cultural heritage, encapsulating profound artistic and historical significance. Hyperspectral remote sensing, as a non-destructive testing technique, offers an effective means for analysing and identifying ...
Y. Zhang, Y. Zhang, S. Lyu, S. Lyu, M. Hou, M. Hou, J. Guo, J. Yan, J. Yan   +8 more
doaj   +1 more source

An Ayurvedic review on Hartala (yellow orpiment) : A Dhatuja Visha

, 2020
In Ayurveda, usage of ‘Dhatuja Visha’ is given in different formulations which are having therapeutic significance. Hartala comes under Dhatuja Visha mentioned by Acharya Sushrut. It is inorganic irritant poison and has a Lomshatana property. It is known
Dr. S. R. Inchulkar, Dr. Yuvraj Kaushik, Dr. Kirti Sharma   +2 more
core   +1 more source

Painting the Palace of Apries II: ancient pigments of the reliefs from the Palace of Apries, Lower Egypt

Heritage Science, 2019
Fragments of painted limestone reliefs from the Palace of Apries in Upper Egypt excavated by Flinders Petrie in 1908–1910 have been investigated using visible-induced luminescence imaging, micro X-ray fluorescence, laser ablation inductively coupled ...
Signe Buccarella Hedegaard, Thomas Delbey, Cecilie Brøns, Kaare Lund Rasmussen   +3 more
doaj   +1 more source

Non-invasive imaging and spectroscopy techniques for identifying historical pigments: a case study of Iranian manuscripts from the Qajar era

Heritage Science, 2023
In recent years, the expansion of non-invasive methods has been a trend in identifying historical pigments. Accordingly, this study aimed to identify the pigments used in three Iranian historical manuscripts from the Qajar era by utilizing a non-invasive
Alireza Koochakzaei, Elmira Mobasher Maghsoud, Behrooz Jelodarian Bidgoli   +2 more
doaj   +1 more source

Nineteenth‐Century Watercolour Reproductions of Old Masters in the Ruskin Teaching Collection, Ashmolean Museum, Oxford: Materials and Techniques of ‘Heaven‐Borne’ Copyist Charles Fairfax Murray

Archaeometry, Volume 68, Issue 1, Page 64-83, February 2026.
ABSTRACT This study presents the first comprehensive analysis of the pigments and techniques used by Charles Fairfax Murray (1849–1919), a leading expert in Italian Renaissance attribution, influential art collector and primary copyist for John Ruskin.
Victoria Kemp, Andrew Beeby, Kelly Domoney, Daniel Bone   +3 more
wiley   +1 more source

Trace Elements and Sulfur Isotopes of Sulfides at the Leon Sediment‐Hosted Gold Deposit, Ratatotok District, North Sulawesi, Indonesia: Constraints on the Genesis of Ore Formation

Resource Geology, Volume 76, Issue 1, January/December 2026.
The Leon deposit is interpreted as a sediment‐hosted gold deposit with a probable distal intrusion‐centered setting. Hydrothermal fluids migrated through fractures and bedding planes, likely leached sulfur and metals from andesitic rocks, and formed orebodies along bedding planes and at limestone–andesite contacts controlled by permeability contrasts ...
Muhammad Arba Azzaman, Ryohei Takahashi, Pearlyn Manalo, Andrea Agangi, Manuel Nopeia, Hinako Sato, Arifudin Idrus, Doly R. Simbolon, Renaldi Suhendra   +8 more
wiley   +1 more source

Overview of acute Chinese medicine poisoning in Hong Kong

Hong Kong Journal of Emergency Medicine, Volume 32, Issue 6, December 2025.
Abstract Background Chinese medicine (CM) poisoning is relatively rare in Hong Kong. According to the Department of Health, only 17 cases of self‐medicated Traditional Chinese Medicine (TCM)‐related poisoning were reported between 2019 and 2021—an average of approximately 5.7 cases per year.
Siu Kan Law, Yanping Wang, Xiao Xiao Wu
wiley   +1 more source