Non-destructive dating of fiber-based gelatin silver prints using near-infrared spectroscopy and multivariate analysis

Martins, Ana; Daffner, Lee Ann; Fenech, Ann; McGlinchey, Chris; Strlič, Matija

doi:10.1007/s00216-011-5566-2

Cited by 17 publications

(12 citation statements)

References 33 publications

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“…It is possible to hypothesise that dating of paper using NIR is enabled due to the accumulation of degradation products during ageing, as well as due to the frequent changes in the manufacturing processes of historic materials. Both are reflected in the NIR spectra and these in turn enable dating, as has been shown previously for paper as well as for photographs and parchment [47][48][49]. It is not possible, due to the highly overlapped NIR absorption peaks, to examine which compounds or bond types specifically contribute to the success of PLS regressions for dating.…”

Section: Near Infrared Spectroscopymentioning

confidence: 96%

Characterisation of 19th and 20th century Chinese paper

Brown

Lichtblau²,

Fearn

et al. 2017

Herit Sci

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The chemical and physical properties of 19th and 20th century Chinese papers were investigated using a variety of material characterisation methods. A reference collection of 178 Chinese papers, dating from 1799 to 1990 was used, and properties such as pH, degree of polymerisation (DP), lignin content, and tensile strength (zero-span) were determined. Most of the papers were of approximately neutral pH, had a low lignin content and DP similar to pre-19th century European rag paper. It was found that the high inhomogeneity and the typical paper thinness affected tensile testing and as a result, a modified method for zero-span tensile strength test was developed. Using near infrared spectroscopy (NIR), proof-of-concept partial least squares (PLS) applications were developed for determination of tensile strength, pH, DP and for dating of the samples. For the latter, using post-1900 papers, the error of cross validation was 13 years. The presence of lignin was modelled using linear discriminant analysis (LDA), where the model could distinguish between high and low lignin content with 88% accuracy. Using one or multiple sheets for transmission NIR spectroscopy led to PLS results of similar quality, which was attributed to material inhomogeneity.

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Section: Near Infrared Spectroscopymentioning

confidence: 96%

Characterisation of 19th and 20th century Chinese paper

Brown

Lichtblau²,

Fearn

et al. 2017

Herit Sci

Self Cite

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“…Prediction qualities are very good with around 8 years for both models. An even more complex material problem was assessed by Martins et al , 60 who provided dating tools for fiber‐based gelatin silver prints with very good prediction qualities. The differentiation of the starting points can be assigned to geographical origin and manufacturing process.…”

Section: Datingmentioning

confidence: 99%

Recent developments in using the molecular decay dating method: a review

Tintner

2021

Annals of the New York Academy of Sciences

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The dating of organic findings is a fundamental task for many scientific fields. Radiocarbon dating is currently the most commonly used method. For wood, dendrochronology is another state-of-the-art method. Both methods suffer from systematic restrictions, leading to samples that have not yet been able to be dated. Molecular changes over time are reported for many materials under different preservation conditions. Many of them are intrinsically monotonous. These monotonous molecular decay (MD) patterns can be understood as clocks that start at the time when a given molecule was formed. Factors that influence these clocks include input material composition and preservation conditions. Different wood species, degrees of pyrolysis, and pretreatments lead to different prediction models. Preservation conditions might change the speed of a given clock and lead to different prediction models. Currently published models for predicting the age of wood, paper, and parchment depend on infrared spectroscopy. In contrast to radiocarbon dating, dating via MD does not comprise a single methodology. Some clocks may deliver less precise results than the others. Ultimately, developing a completely different, new dating strategy-such as MD dating-will help to bring to light a treasure trove of information hidden in the darkness of organic findings.

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“…Martins and coworkers [6] proposed an innovative approach to date fiber-based gelatin silver prints using nearinfrared spectroscopy (NIR) and multivariate analysis.…”

Section: Introductionmentioning

confidence: 99%

Quantitative Analysis of Ageing Condition of Insulating Paper Using Infrared Spectroscopy

Saldivar-Guerrero¹,

Cabrera-Álvarez²,

León-Silva

et al. 2016

Advances in Materials Science and Engineering

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Transformers are very expensive apparatuses and are vital to make the whole power system run normally. The failures in such apparatuses could leave them out of service, causing severe economic losses. The life of a transformer can be effectively determined by the life of the insulating paper. In the present work, we show an alternative diagnostic technique to determine the ageing condition of transformer paper by the use of FTIR spectroscopy and an empirical model. This method has the advantage of using a microsample that could be extracted from the transformer on-site. The proposed technique offers an approximation quantitative evaluation of the degree of polymerization of dielectric papers and could be used for transformer diagnosis and remaining life estimation.

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Non-destructive dating of fiber-based gelatin silver prints using near-infrared spectroscopy and multivariate analysis

Cited by 17 publications

References 33 publications

Characterisation of 19th and 20th century Chinese paper

Characterisation of 19th and 20th century Chinese paper

Recent developments in using the molecular decay dating method: a review

Quantitative Analysis of Ageing Condition of Insulating Paper Using Infrared Spectroscopy

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