What are the factors causing deterioration?
Table of Contents
What are the factors causing deterioration?
Deterioration by harmful environment agents such as light, temperature, relative humidity, pollution, and pests. Document deterioration can be accelerated by inappropriate use, storage, and display. Light can cause oxidation, which leads paper to fade or darken from chemical changes in the paper.
What is deterioration in archives and library materials?
Deterioration is a state of depreciation in value or in quality. Therefore if this is applied to library materials it is known to be a state in which library materials in a state of depreciating in value as well as in quality. Deterioration begins the very day a material is invented or a book is published.
What are the causes of deterioration in paper industry?
Deterioration may be caused by:
- the presence of potentially damaging chemicals within the paper;
- exposure to external pollutants;
- environmental factors such as light and relative humidity;
- biological attack by moulds, insects and rodents; and.
Which environmental factors are responsible for damaging library material?
The main environmental factors affect physical deterioration of paper based library materials are – light, heat, humidity and moisture and pollutants like dust, dirt, smoke etc. Light: Light is a factor which causes damage to the paper and allied materials of light.
Which is the major factor causing deterioration of a structure?
(i) Atmospheric moisture: Atmospheric moisture is regarded as the principal-agent causing the deterioration of the structures. Moisture is always present in the atmosphere and when the surface temperature falls, condensation can occur.
How does deterioration happen in library?
Causes of deterioration may be external or internal. External causes [2] are physical, chemical, biological, improper storage , unauthorized exposure, risky handling, theft, natural calamities. Internal causes are : poor quality of paper or materials used , the chemicals used for printing and binding.
What is material deterioration?
Deterioration, in the context of corrosion, is a loss in the properties of a material by chemical interaction with the environment. Harmful effects of deterioration by corrosion can include: Reduction in metal thickness leading to mechanical/structural failure or breakdown. Reduction in value.
What could lead to books to be damaged in the library?
Some library materials deteriorate more quickly than others because they are made from materials that are inherently unstable, such as acidic paper. Natural disasters, such as floods or fires, and building problems, such as leaking roofs or dysfunctional HVAC systems, may cause more immediate deterioration.
Which of the following affects the environment of the library?
Notable deleterious substances in the library and museum fields are sulfur dioxide, the oxides of nitrogen, and ozone. These substances play roles in a rather complicated sys- tem of photochemical atmospheric pol- lutants which are seriously damaging to man, animals, vegetation, and mate- rials.
What is deterioration in building materials?
Deterioration is a condition in which a building structure or its component has degenerated or become unstable [4].
What are the causes of decay and deterioration of museum objects?
There are lots of deterioration causes which are atmospheric, light heat, air pollution sound and vibration, bio deterioration and many others. Atmosphere plays a very impotent role in deterioration of museum objects. Atmosphere consists of light, heat, polluting, oxides of sulphur, nitrogen and carbon, ozone, etc.
What are the enemies of library materials?
Ranganathan has identified fire, water, vermin and human beings as the four enemies of library.
What do libraries do with damaged books?
Many libraries simply send repair work out to another company. Others have an in-house preservation department. Still others have one person who repairs damaged books as part of their job.
How can the library environment be improved?
Here are the five strategies to improve library services:
- Member Management.
- Next Generation Cataloguing.
- Automated Circulation & Control.
- Student Driven Acquisition.
- Mobile Library Landscape.
What are the types of environment in the library?
The library environments are categorized into public, academic (including school), and special.
