Nanoparticles of calcium hydroxide for wood deacidification: Decreasing the emissions of organic acid vapors in church organ environments

Chemistry in indoor environments: 20 years of research

“…Removal of reactive gases on indoor surfaces (Cano-Ruiz et al, 1993) • NO 2 /indoor surfaces/HONO formation HONO formation in simulated indoor environments (Brauer et al, 1993;Febo and Perrino, 1991;Finlayson-Pitts et al, 2003;Spicer et al, 1993;Wainman et al, 2001) HONO formation in buildings and automobiles (Allen and Miguel, 1995;Febo and Perrino, 1995;Lee et al, 2002;Park et al, 2008;Spengler et al, 1993) • Acid-base indoor surface chemistry Influence of NH 3 and CO 2 on sorption to various surfaces (Ongwandee and Morrison, 2008;Ongwandee et al, 2005) Trimethylamine on different surfaces (Ongwandee et al, 2007) Organic acids with metal objects (Giorgi et al, 2009;Niklasson et al, 2008;Schieweck and Salthammer, 2009) • Indoor transformations of outdoor particles Acidic sulfate particles and NH 3 (Brauer et al, 1991) Dissociation of ammonium nitrate particles (Lunden et al, 2003;Polidori et al, 2006) Organic aerosols accreting organic carbon (Lunden et al, 2008) • Reactions on the human envelope Clothing soiled with skin oil (Coleman et al, 2008a;Wisthaler et al, 2005) Humans in simulated aircraft and office (Tamas et al, 2006a;Weschler et al, 2007;Wisthaler and Weschler, 2010) Ozone with human hair (Pandrangi and Morrison, 2008) Personal microenvironment and levels in breathing zone (Rim et al, 2009) • Reactions on/in furnishings, materials, and appliances Ozone with carpets and other indoor materials (Aoki and Tanabe, 2007;Grosjean et al, 1994;Kagi et al, 2009;Nazaroff, 2000, 2002a,b;Nicolas et al, 2007;Poppendieck et al, 2007a,b;…”

A water dispersed Titanium dioxide/poly(carbonate urethane) nanocomposite for protecting cultural heritage: Preparation and properties

“…The unsuccessful experiences of the last decades on stone consolidation/protection showed that main problems are yellowing, loss of performance, trapping of deposits, formation of aggressive substances, soluble salts sub-florescences, low durability, nonreversibility. Recently, important results have been achieved for cultural heritage preservation through the application of nanotechnologies and nanomaterials both in the consolidation of wall paintings and in the paper deacidification [7][8][9][10][11][12], as biocides [13], as additive to improve the carbonation of mortars [14], and as consolidant for stone (EU project STONECORE) [15]. Although nanotechnologies are now considered the most important theoretical and applicative framework and of enhanced benefits for the development of many research areas, in literature few data are reported on polymer nanocomposites for conservation and restoration.…”

Preliminary Evaluation of the Field and Laboratory Emission Cell (FLEC) for Sampling Attribution Signatures from Building Materials

“…Emissions with varying material temperatures also have been studied [9,24]. Several studies examined approaches to reduce emissions by thermal pretreatment [25], by including a variety of natural compounds (i.e., urea, catechin, vanillin) [26] and, in one study, by the application of a nanoparticuate coating of calcium hydroxide to neutralize acidic emissions [27].…”