HANDHELD XRF FOR ART AND ARCHAEOLOGY PDF

Buy This Book in Print summary Over the last decade the technique of X-ray fluorescence has evolved, from dependence on laboratory-based standalone units to field use of portable and lightweight handheld devices. These portable instruments have given researchers in art conservation and archaeology the opportunity to study a broad range of materials with greater accessibility and flexibility than ever before. In addition, the low relative cost of handheld XRF has led many museums, academic institutions, and cultural centres to invest in the devices for routine materials analysis purposes. Although these instruments often greatly simplify data collection, proper selection of analysis conditions and interpretation of the data still require an understanding of the principles of x-ray spectroscopy. This volume focuses specifically on the applications, possibilities, and limitations of handheld XRF in art conservation and archaeology.

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Additional Information In lieu of an abstract, here is a brief excerpt of the content: Application of a handheld XRF spectrometer in research and identification of photographs1 Dusan C.

Since then more than different photographic processes and process variants have been invented, tested and introduced into photographic practice Woodbury , Jones , Nadeau , Cartier-Bresson , Lavedrine Some photographic processes such as albumen, tintype, silver gelatin or chromogenic C-print processes were used for many decades.

Millions of photographic images have been created using these processes and can be found in a variety of public and private photographic collections. A whole range of other photographic processes such as matte collodion, platinotype, or autochrome were introduced and used for a limited period of time or for specialized applications and later superseded by other more advanced or more convenient photographic process.

Millions of photographs of the chemical photography era are now kept in museums, archives, libraries and private collections, often without adequate care or protection and rather poor registration collection documentation. The correct identification of photographs is a mandatory prerequisite for the development of an adequate strategy for the long term preservation, storage, exhibition and conservation treatment of any individual photograph or collection of photographs.

Problems of misrepresentation and authentication of photographs is also a growing concern 1 Copyright The J. Paul Getty Trust. All rights reserved. Chapter 3 Dusan C. Stulik and Art Kaplan 76 for curators, collectors and art dealers due to the constantly increasing monetary value of some vintage photographs and often confusing issues related to later prints.

A number of different working methods have been developed and introduced to aid in the identification of photographs Coe and Haworth-Booth , Knodt and Pollmeier , Reilly The majority of these methods are based on the visual examination of photographs or in combination with a detailed inspection under a loupe, low power microscope or a stereomicroscope. X-ray fluorescence spectroscopy XRF is the most powerful analytical method almost ideal for the identification of the elemental composition of photographs and photographic materials.

A great advantage of XRF analysis, in comparison with microscopic investigation, is its high level of objectivity. In the majority of analytical cases XRF clearly identifies the presence or absence of key elements needed for the identification of the photographic process. XRF is able to detect and theoretically quantify almost all elements of the periodic table excluding hydrogen and helium.

The portability of XRF instrumentation allows a change in strategy of the analysis of art objects. No longer is it required that art be brought to a conservation science laboratory.

Handheld XRF spectrometers allow for an in situ investigation or conducting the analytical work directly inside of museum galleries or art storage areas without any dangerous and often expensive transport of art objects to a conservation laboratory which can require extensive paperwork and insurance costs.

Such a development is highly appreciated by many museum directors, curators and collection managers and it often brings many new opportunities for more advanced and extensive analytical research of valuable and previously inaccessible photographic collections. A great deal of information and experience has been gathered within the art conservation community during the last decades on the application If you would like to authenticate using a different subscribed institution or have your own login and password to Project MUSE.

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Handheld XRF for Art and Archaeology

About the author Applications, possibilities, and limitations of handheld XRF in art conservation and archaeology. Over the last decade the technique of X-ray fluorescence has evolved, from dependence on laboratory-based standalone units to field use of portable and lightweight handheld devices. These portable instruments have given researchers in art conservation and archaeology the opportunity to study a broad range of materials with greater accessibility and flexibility than ever before. In addition, the low relative cost of handheld XRF has led many museums, academic institutions, and cultural centres to invest in the devices for routine materials analysis purposes. Although these instruments often greatly simplify data collection, proper selection of analysis conditions and interpretation of the data still require an understanding of the principles of x-ray spectroscopy. This volume focuses specifically on the applications, possibilities, and limitations of handheld XRF in art conservation and archaeology.

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Handheld XRF for art and archaeology

Shugar and Jennifer L. Mass Studies in Archaeological Sciences 3. Leuven University Press, Leuven ISBN cloth. Richards This much-needed volume is a testament to the increasing popularity of handheld or portable X-ray fluorescence analysis PXRF in art history and archaeology.

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