Cellulose & Rag Substrates
The material science of lignin-free papers and the role of alkaline buffering in preserving the integrity of analog prints.
Latest in Cellulose & Rag Substrates
A technical analysis of the chemical stability and archival preservation of 19th-century organic pigments used in carbon prints and photogravures.
A technical comparison of 100% cotton rag and industrial wood-pulp papers, examining the chemical mechanisms of degradation and the archival standards required for long-term stability.
This article examines the complex chemical and physical processes of latent image formation, from the Gurney-Mott theory of 1938 to the archival standards of gelatin purity and cellulose substrates.
An exploration of Karl Klic’s 1879 invention of copper-plate heliogravure, detailing the chemical etching of gelatin reliefs and the archival importance of lignin-free cellulose substrates.
A technical examination of how alkaline buffering agents like calcium carbonate prevent acid hydrolysis and preserve the structural integrity of archival paper substrates.
An exploration of how alkaline buffering agents like calcium carbonate protect cellulose rag papers from acid hydrolysis and archival degradation.
Richard Leach Maddox's 1871 invention of the silver bromide-gelatin emulsion revolutionized photography by replacing wet collodion plates with stable, pre-manufactured dry plates.
A technical exploration of the colloidal chemistry, silver halide precipitation, and material science required for the creation and archival preservation of light-sensitive gelatin emulsions on cellulose substrates.
Explore the evolution of photogravure from Henry Fox Talbot's 1852 patent to Karl Klic's refinements, focusing on the technical chemistry of image reproduction and archival science.
This technical analysis examines the 19th-century transition from cotton rag to wood pulp substrates and its profound impact on the chemical stability and longevity of photographic records.
This article explores the technical intricacies of the 1880s Klic photogravure process, focusing on the microscopic topography of copper plates and the material science of archival printing.
An in-depth analysis of the transition from early heliography to industrial photogravure, focusing on the chemical and mechanical processes developed by Ni)pce and Goupil & Cie.