"Workshop Metodika hodnocení vlivu kvality ovzduší na knihovní a archivní fondy" - Search Results - Digital Repository

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	Effect of Dust on Properties of Collagen Materials. Součková, M. ; Mašková, Ludmila ; Smolík, Jiří Samples of collagen materials were exposed to dust for two years in depositories, but the total deposition of particles was very small (approx. 0.1 weight percent). For this reason to another samples of collagen materials were dust particles applied using a bag from nonwoven textile. After the artificial ageing of samples the dust was removed mechanically and properties of collagen materials were investigated.\n\n Fulltext: content.csg - PDF Plný tet: SKMBT_C22015121815120 - PDF Detailed record
	The Effect of Dust Particles on Cellulose Degradation. Bartl, B. ; Mašková, Ludmila ; Paulusová, H. ; Smolík, Jiří ; Bartlová, L. ; Vodička, Petr This study focused on the changes in properties of cellulose-based paper Whatman 41, which can take place as a consequence of its contamination by dust particles. The chemical composition and size distribution of dust particles from archival repositories were analysed. After the artificial ageing, the viscosity-average degree of polymerization of cellulose DPv was measured. It was confirmed that cellulose-based paper can undergo substantial changes when contaminated by dust particles and artificially aged. The decrease of the DPv of cellulose showed a negative correlation with the deposited mass of sulfate ions in the dust particles. Considering the particle size fraction, the results suggest the decisive importance of the fine (PM1) particles. \n\n Fulltext: content.csg - PDF Plný tet: SKMBT_C22015120714361 - PDF Detailed record
	Methodology of Assessment of Load of Indoor Environment of Archives and Libraries by Dust Particles. Mašková, Ludmila ; Smolík, Jiří ; Ondráček, Jakub The aim of the methodology was development of evaluation methods for indoor air quality in archives and libraries. For this reason a simple passive sampler for dust deposition was developed. For detailed analyse a new aerosol spectrometer was constructed. These measurements should be completed by chemical analyse of particles and than the influence to materials can be estimated.\n Fulltext: content.csg - PDF Plný tet: SKMBT_C22015120714360 - PDF Detailed record

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