Conservation Science

Heterotrophic bacteriadegrade organic matter and can be isolated in large numbers from decaying stone. All stonework probably po ...

Stone 227 and organic compound complexes; and take up water from air and release it under low RH conditions. Stone moisture and ...

processes by interacting with salts in stone. When limestone has been subjected to both microbial and salt weathering, under dif ...

Stone 229 In these documents, and in practice, there can be a tension between the terms, or rather interpretation of, preservati ...

conservation treatments that depend on the context of the other materials. Re-treatability refers to the possibility that new or ...

management of all the activities that produce pollutants, a virtually impos- sible task. Even limited management of these activi ...

polymers can also prevent agents of degradation reaching the surface. These treatments do not act as a sacrificial layer, but ra ...

that makes them very useful cleaning techniques for delicate or intricate sculpture and stonework. Bioremediation for buildings. ...

4.5 Control of Microbial Growths using Biocides The term ‘biocide’ refers collectively to fungicides, algicides and bacterio- ci ...

growths, positive identification of the target organisms is critical. This allows the selection of an appropriate chemical for t ...

CaCO 3 in the form of calcite. Although biomineralisation has been observed for many years, the potential for its use in stone c ...

Bioremediation into conservation practice. Bioremediation is less harsh than the use of environmentally-toxic chemicals or aggre ...

replace like with like. Original quarry sources may have long since ceased operation. It is often difficult to identify and acqu ...

to restore building stone by bioremediation is a new technology that offers a different approach for conservators to supplement, ...

R.U. Cooke, Crumbling heritage? Studies of stone weathering in polluted atmospheres, National Power, Swindon, 1995. O. Guillette ...

CHAPTER 10 Wall Paintings: Aspects of Deterioration and Restoration KARIN PETERSEN University of Applied Science and Art, Hildes ...

way from those inside a building. The protective effect of protruding roofs or drainage systems, such as gutters, becomes obviou ...

plaster. However, neither this damage, nor destruction by earthquakes, col- lapse, demolitionor war will be considered in this c ...

and nitrates, nitrifying bacteria have also been shown to be active in building materials in situand thereby contributing to bio ...

crystallisation in lower layers has been taking place. Moreover, attempts to avoid crystallisation of salts in the pore water by ...