Microcrystals of antimony compounds in lead–potassium and lead glass and their effect on glass corrosion: a study of historical glass beads using electron microscopy

Yuryeva, Tatyana V.; Морозова, Е. А.; Kadikova, Irina F.; Уваров, О. В.; Afanasyev, I. B.; Yapryntsev, A. D.; Lukashova, Maria V.; Malykhin, Sergey A.; Grigorieva, Irina A.; Yuryev, Vladimir A.

doi:10.1007/s10853-018-2332-2

Cited by 13 publications

(66 citation statements)

References 19 publications

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“…In the previous works, we established that formation of micro and nanocrystallites of orthorhombic KSbOSiO 4 (KSS) in glass matrix (figures 2(e)-(g)), which arise during glass melting and bubbling, 4 is one of the main causes of deteriorating of turquoise glass seed beads [7,8,15,14,16]. We concluded that KSS precipitates and their clusters gave rise to internal stress (likely, tension) causing strain (likely, tensile one) in the glass bulk.…”

Section: Introductionmentioning

confidence: 99%

“…That is why the majority of museums in Europe, North America and Russia possess numerous exhibits, fully or partially comprised of beadworks, for instance, decorations, reticules (figures 1(a), (b)), different household items and even beaded pictures, as large as a few meters, with different plots [7,8].…”

Section: Introductionmentioning

confidence: 99%

“…We concluded that KSS precipitates and their clusters gave rise to internal stress (likely, tension) causing strain (likely, tensile one) in the glass bulk. In course of time, it leads to the conspicuous 'internal corrosion' of glass resulted from its slow fracturing and gradual formation of a network of cracks [7,8,15].…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…Another reason of degradation of translucent turquoise beads also relates to the process of their manufacturing [7,8,16]. Recently, we have discovered that seed beads of many kinds are composed of two regions of different glass [7,8]. We have observed an internal core of the initial glass, often cracked due to KSS precipitates, and a crust coating the core (a shell) and consisting of re-fused glass that appeared due to tumble finishing at elevated temperature (figures 2(a)-(d)).…”

Section: Introductionmentioning

confidence: 99%

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Glass depolymerization in the process of long-term corrosion: A study of deteriorating semiopaque turquoise glass beads using micro-FTIR spectroscopy

Kadikova

Морозова

Yuryeva

et al. 2020

Mater. Res. Express

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Nowadays, a problem of historical beadworks conservation in museum collections is actual more than ever because of fatal corrosion of the 19th century glass beads. Study of the beads at different stages of glass corrosion using FTIR was carried out in the attenuated total reflection mode in the range from 200 to 4000 cm −1 . We have observed glass depolymerization in the degraded beads, which is exhibited in domination of the band peaked at ∼1000 cm −1 . We conclude that the simplification of the glass structure during its long-term degradation at room temperature may be explained within the thermalfluctuation theory of materials fracture. We consider glass depolymerization, caused by the internal stress and decreasing the glass strength, as an essential corrosion mechanism of strongly stressed glass. We have also revealed shifts of two major absorption bands to low-frequency range (∼1000 and ∼775 cm −1 ) compared to ones typical for amorphous SiO 2 (∼1100 and 800 cm −1 , respectively) connected with Pb 2+ and K + appending to the glass network. The presence of a weak band at ∼1630 cm −1 in all the spectra is attributed to the adsorption of H 2 O. After annealing of the beads, the latter band disappeared completely in less deteriorated samples and significantly weakened in more degraded ones. Based on that we conclude that there is molecular water adsorbed on the beads. However, products of corrosion (e.g., alkali in the form of white crystals or droplets of liquid alkali) were not observed on the surface.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Glass depolymerization in the process of long-term corrosion: A study of deteriorating semiopaque turquoise glass beads using micro-FTIR spectroscopy

Kadikova

Морозова

Yuryeva

et al. 2020

Mater. Res. Express

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Pigments—Lead-based whites, reds, yellows and oranges and their alteration phases

Gliozzo

Ionescu

2021

Archaeol Anthropol Sci

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This review summarises the state-of-the-art of lead-based pigment studies, addressing their production, trade, use and possible alteration. Other issues, such as those related to the investigation and protection of artworks bearing lead-based pigments are also presented. The focus is mineralogical, as both raw materials and degradation products are mineral phases occurring in nature (except for very few cases). The minerals described are abellaite, anglesite, blixite, caledonite, challacolloite, cerussite, cotunnite, crocoite, galena, grootfonteinite, hydrocerussite, laurionite, leadhillite, litharge, macphersonite, massicot, mimetite, minium, palmierite, phosgenite, plattnerite, plumbonacrite, schulténite, scrutinyite, somersetite, susannite, vanadinite and an unnamed phase (PbMg(CO3)2). The pigments discussed are lead white, red lead, litharge, massicot, lead-tin yellow, lead-tin-antimony yellow, lead-chromate yellow and Naples yellow. An attempt is made to describe the history, technology and alteration of these pigments in the most complete manner possible, despite the topic's evident breadth. Finally, an insight into the analytical methods that can (and should) be used for accurate archaeometric investigations and a summary of key concepts conclude this review, along with a further list of references for use as a starting point for further research.

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Study on the related problems of lead-barium imitating-jade glass in the Warring States period of China

Wang

Zhou

2022

Archaeol Anthropol Sci

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Microcrystals of antimony compounds in lead–potassium and lead glass and their effect on glass corrosion: a study of historical glass beads using electron microscopy

Cited by 13 publications

References 19 publications

Glass depolymerization in the process of long-term corrosion: A study of deteriorating semiopaque turquoise glass beads using micro-FTIR spectroscopy

Glass depolymerization in the process of long-term corrosion: A study of deteriorating semiopaque turquoise glass beads using micro-FTIR spectroscopy

Pigments—Lead-based whites, reds, yellows and oranges and their alteration phases

Study on the related problems of lead-barium imitating-jade glass in the Warring States period of China

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