A novel collector of 1-(2-hydroxyphenyl) dec-2-en-1-one oxime (HPDO) was synthesized from 2-hydroxy acetophenone and octanal, and its flotation and adsorption behavior for malachite were studied by flotation tests and x-ray photoelectron spectroscopy ...
Liqing Li, Lin Yang, Fangxu Li
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This study undertook the mineralogical and chemical analysis of anglesite (PbSO4), cerussite (PbCO3), gypsum (CaSO4∙2H2O), langite (Cu4(SO4)(OH)6∙2H2O), malachite (Cu2CO3(OH)2), and posnjakite (Cu4(SO4)(OH)6·H2O) detected for the first time in the ...
Andrea Bloise +3 more
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Beginning of the metal age in the central Balkans according to the results of the archeometallurgy [PDF]
The gradual development of the primary copper metallurgy in Balkans starts with production of small jewelry pieces and ends with the serial production of massive tools and weapons. It is confirmed that this metallurgy depended on the contemporary mining,
Jovanović B.
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Thermal Stability of Azurite and Malachite in Relation to the Formation of Mediaeval Glass and Glazes [PDF]
Azurite and malachite have been extensively used as pigments in ancient and medieval manuscripts, glasses and glazes. The thermal stability of naturally occurring azurite and malachite was determined using a combination of controlled rate thermal ...
Ding, Zhe +3 more
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Investigation of the use of ammonium acetate as an alternative lixiviant in the leaching of malachite ore [PDF]
The solutions containing ammonia allow for selective leaching of the copper from a copper ore. In this study, the leaching and kinetics of malachite ore were examined using ammonium acetate solutions as an alternative lixiviant.
Künkül Asım +2 more
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Ultratrace determination of phosphorus in ultrapurified water by a slope comparison method [PDF]
The analytical method for the determination of phosphorus in ultrapurified water was developed. Ultrapurified water was evaporated to concentrate phosphorus and the final sample volume for analysis was 10 ml.
Akhmad Sabarudin +15 more
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A holistic multimodal approach to the non-invasive analysis of watercolour paintings [PDF]
A holistic approach using non-invasive multimodal imaging and spectroscopic techniques to study the materials (pigments, drawing materials and paper) and painting techniques of watercolour paintings is presented.
Bailey, K +6 more
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Mechanism and Kinetics of Malachite Dissolution in an NH4OH System
Copper oxide minerals composed of carbonates consume high quantities of leaching reagent. The present research proposes an alternative procedure for malachite leaching (Cu2CO3(OH)2) through the use of only compound, ammonium hydroxide (NH4OH ...
Alvaro Aracena +2 more
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Pigment analysis by Raman microscopy and portable X-ray fluorescence (pXRF) of thirteenth to fourteenth century illuminations and cuttings from Bologna [PDF]
Non-destructive pigment analysis by Raman microscopy (RM) and portable X-ray fluorescence (pXRF) has been carried out on some Bolognese illuminations and cuttings chosen to represent the beginnings, evolution and height of Bolognese illuminated ...
Chaplin, Tracey D. +3 more
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Allosteric regulation of small-molecule binding by aptimers [PDF]
Modular aptameric sensors for oligonucleotides were constructed by combiningmolecular beacon stem-loops andmalachite green aptamers. These sensorswere designed so that oligonucleotides complementary to the stem-loop region accomplish the release of ...
Stojanović Milan N.
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