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Archival Degradation Studies

Research into mitigating acid hydrolysis and chromogenic decay to ensure the long-term stability of organic pigments and media.

20 Articles

Latest in Archival Degradation Studies

Fading Narratives: Material Stability of Organic Pigments in Chromogenic Prints
Archival Degradation Studies
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April 11, 2026
Fading Narratives: Material Stability of Organic Pigments in Chromogenic Prints

A technical examination of the chemical degradation pathways of organic pigments in historical chromogenic prints, including the effects of the Arrhenius equation and photocatalysis.

Mitigating Chromogenic Degradation: A Study of Sensitive Organic Pigments in Print Media
Archival Degradation Studies
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April 6, 2026
Mitigating Chromogenic Degradation: A Study of Sensitive Organic Pigments in Print Media

A technical exploration of the chemical and mechanical processes used to preserve early 20th-century color print media against chromogenic degradation.

The Chemistry of Decay: Acid Hydrolysis in Cellulose Acetate Negatives
Archival Degradation Studies
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March 14, 2026
The Chemistry of Decay: Acid Hydrolysis in Cellulose Acetate Negatives

A deep explore the chemistry of 'vinegar syndrome,' examining how acid hydrolysis destroys cellulose acetate negatives and the archival methods used to mitigate de-acetylation.

From Talbot to Klič: A Comparative Analysis of Photogravure Micro-Topography
Archival Degradation Studies
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March 12, 2026
From Talbot to Klič: A Comparative Analysis of Photogravure Micro-Topography

A technical examination of the transition from William Henry Fox Talbot’s photoglyphic engraving to Karel Klič’s heliogravure, focusing on the chemical and metallurgical refinements of photomechanical reproduction.

The Lignin Threat: Quantifying Acid Hydrolysis in Wood-Pulp vs. Rag Paper Substrates
Archival Degradation Studies
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March 6, 2026
The Lignin Threat: Quantifying Acid Hydrolysis in Wood-Pulp vs. Rag Paper Substrates

A technical analysis of the mid-19th century transition to wood-pulp paper and the subsequent chemical challenges of acid hydrolysis and lignin-driven degradation in archival substrates.

The Chemistry of Longevity: Acid Hydrolysis in 19th-Century Rag vs. Wood Pulp Papers
Archival Degradation Studies
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February 16, 2026
The Chemistry of Longevity: Acid Hydrolysis in 19th-Century Rag vs. Wood Pulp Papers

A technical examination of the chemical transition from cotton rag to wood pulp paper in the 19th century and the resulting impact of acid hydrolysis on historical document longevity.

The Chemistry of Permanence: A Century of Silver Halide Gelatin Emulsion Stability
Archival Degradation Studies
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February 7, 2026
The Chemistry of Permanence: A Century of Silver Halide Gelatin Emulsion Stability

Explore the complex material science behind silver halide gelatin emulsions and the chemical standards required to ensure the archival permanence of analog visual records.

Tangible Narratives: The Physical Resilience of Carbon Prints (1864-1900)
Archival Degradation Studies
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February 3, 2026
Tangible Narratives: The Physical Resilience of Carbon Prints (1864-1900)

This article explores the technical evolution of the 1864 carbon transfer process and the chemical mechanics that grant carbon prints their superior archival longevity compared to silver-based media.

Zinc vs. Copper: Structural Integrity of Historical Photomechanical Plates
Archival Degradation Studies
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February 2, 2026
Zinc vs. Copper: Structural Integrity of Historical Photomechanical Plates

An analysis of the mechanical and chemical differences between copper and zinc photogravure plates, focusing on their durability and deterioration in 19th-century industrial environments.

Micro-Topography of the Photogravure: Etching Depth and Tonal Range
Archival Degradation Studies
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February 1, 2026
Micro-Topography of the Photogravure: Etching Depth and Tonal Range

A technical exploration of photogravure, examining the micro-topography of etched metal plates, the physics of ink retention, and the archival science of cellulose-based media.

Colloidal Precision: Measuring Silver Precipitate Uniformity in Gelatin Layers
Archival Degradation Studies
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January 28, 2026
Colloidal Precision: Measuring Silver Precipitate Uniformity in Gelatin Layers

An exploration of the colloidal chemistry and material science behind archival silver halide emulsions, focusing on grain formation and substrate stability.

Silver Halide Precipitation: Mapping Latent Image Formation in Gelatin Emulsions
Archival Degradation Studies
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January 23, 2026
Silver Halide Precipitation: Mapping Latent Image Formation in Gelatin Emulsions

This technical investigation explores the 1871 Maddox dry-plate process, detailing the colloidal chemistry of silver halide precipitation and the material science of archival image preservation.

Mitigating Foxing: Fungal Interaction with Cellulose and Sizing Agents
Archival Degradation Studies
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January 19, 2026
Mitigating Foxing: Fungal Interaction with Cellulose and Sizing Agents

This article examines the chemical and biological causes of 'foxing' in 19th-century prints, focusing on the roles of metal impurities, fungal growth, and the efficacy of alkaline buffering in preservation.

Lignin and Longevity: Evaluating ANSI/NISO Z39.48-1992 Standards
Archival Degradation Studies
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December 31, 2025
Lignin and Longevity: Evaluating ANSI/NISO Z39.48-1992 Standards

This article evaluates the ANSI/NISO Z39.48-1992 standards for paper permanence, detailing the chemical requirements of lignin-free substrates and the role of alkaline buffering in archival preservation.

Perpetual Prints? Verifying Historical Claims of Carbon and Platinotype Longevity
Archival Degradation Studies
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December 25, 2025
Perpetual Prints? Verifying Historical Claims of Carbon and Platinotype Longevity

This article examines the archival durability of 19th-century carbon and platinum prints, comparing historical marketing claims of permanence against modern material science and accelerated aging results.

From Wet Plate to Gelatin: The Evolution of Silver Halide Precipitation
Archival Degradation Studies
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December 15, 2025
From Wet Plate to Gelatin: The Evolution of Silver Halide Precipitation

An analysis of the transition from wet plate collodion to gelatin dry plates, focusing on the chemical innovations of Richard Leach Maddox and the evolution of silver halide precipitation.

The Barrow Method Revisited: Deacidification and the Preservation of Historical Inscriptions
Archival Degradation Studies
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December 5, 2025
The Barrow Method Revisited: Deacidification and the Preservation of Historical Inscriptions

An in-depth technical review of the Barrow Method and the chemical protocols used to preserve historical cellulose substrates through alkaline buffering and deacidification.

Chromogenic Stability: A Comparative Study of Kodachrome and Agfacolor
Archival Degradation Studies
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November 28, 2025
Chromogenic Stability: A Comparative Study of Kodachrome and Agfacolor

A technical examination of the chromogenic stability and chemical development of Kodachrome and Agfacolor films between 1935 and 1950, focusing on dye longevity and archival preservation.

From Copper to Cellulose: Tonal Fidelity and Plate Wear in 19th Century Photogravure
Archival Degradation Studies
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November 26, 2025
From Copper to Cellulose: Tonal Fidelity and Plate Wear in 19th Century Photogravure

A technical examination of the Talbot-Klic photogravure process, focusing on the material science of copper plate etching, micro-topographic ink retention, and the archival properties of alpha-cellulose substrates.

The Mechanics of the Latent Image: Silver Halide Sensitivity in Gelatin
Archival Degradation Studies
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November 23, 2025
The Mechanics of the Latent Image: Silver Halide Sensitivity in Gelatin

An analytical review of silver halide sensitivity, the Gurney-Mott theory of latent image formation, and the archival science of photo-mechanical reproduction on cellulose substrates.

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