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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
- UGC NET
- Library and Information Science
Which are the factors responsible for deterioration of Library Materials?
Which are the factors responsible for deterioration of Library Materials?
(i) Biological Factors (ii) Electromagnetic Factor
(iii) Chemical Factor (iv) Environmental Factor
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Eduncle Best Answer
I. Physical deterioration which includes following factors: i) Light, ii) Heat (Temperature), iii) Relative humidity, iv) Natural Ageing, v) Darkness
II. Chemical deterioration which includes following factors: i) Acidity can be introduced by natural ageing, manufacturing defect, use of acidic ink and pigments, acidic pollutants, microbial growth etc. ii) Effect of environmental pollutants- dust and dirt, acidic gases, inert gases etc.
III. Biological deterioration which includes following factors: i) Micro-organisms- fungus and bacteria. ii) Macro-organisms- insects and rodents.
IV. Others which include i) Human factors such as- mismanagement, mishandling and vandalism. ii) Natural calamity- flood and earthquake. iii) Accidental calamity- fire and water-logging.