Conservation Science

106 Chapter 5 The pelts were then given a further cleansing and opening up treatment using the alkaline bating, puering or maste ...

Leather 107 them to move over each other. If required, the leather was coloured, using natural dyestuffs, often in conjunction w ...

Just as the demand for leather outstripped the supply of vegetable-tanning materials, there was an increasingly serious shortage ...

Leather 109 objects made from leathers manufactured during the period when the long-term effects of these “improvements” had not ...

110 Chapter 5 those described in the raising or drenching processes used by tanners and dried without further processing. The or ...

Leather 111 or excessively low, moisture content in the leather and, in particular, cycling between these two conditions. The me ...

cellulose-based products such as paper or, in particular, the starch-based adhe- sives used to attach leather bindings to book b ...

Leather 113 The results showed that while none of the books stored in the clean Welsh environment had deteriorated to any signif ...

114 Chapter 5 there was evidence that in highly polluted atmospheres the acidic environment suppresses oxidative reactions. It c ...

Leather 115 5 Conservation Techniques Conservation can be considered to be the application of a treatment or a series of treatme ...

116 Chapter 5 The conservation treatments applied to a leather object may include recording, pest eradication, cleaning, reshapi ...

Leather 117 and hydrolytic degradation of vegetable-tanned skins, leading to what is known as red rot. This form of decay is ass ...

118 Chapter 5 As a method of avoiding the damage caused by aqueous solutions, an attempt was made to find an aluminium compound ...

Leather 119 References and Further Reading General A.D. Covington, Chem. Soc. Rev., 1997, 26 , 111. M. Kite and R. Thomson, Cons ...

R. Larsen (ed), ENVIRONMENT Leather Project, Royal Danish Academy of Fine Arts, Copenhagen, 1997. R. Larsen (ed), Microanalysis ...

CHAPTER 6 Metals DESMOND BARKER Consultant, Formerly Department of Applied Chemistry, University of Portsmouth, UK 1 INTRODUCTIO ...

Brass is an alloy of copper and zinc and although Roman coins have been found manufactured from this alloy (71% Cu, 28% Zn), it ...

metal left. The formation of concretions on the surface will have hindered the arrival of dissolved oxygen in the seawater and s ...

be carbon or more likely in the presence of just sufficient air, carbon monoxide gas, CO. (1) The reducing agent will combine wi ...

the end products being blooms. These were solid mixtures of iron and slag from which the slag was removed by hammering. It was n ...