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Development of a new rapid method for mould testing in a climate chamber: Preliminary tests
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Träteknologi.
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Träteknologi.ORCID-id: 0000-0002-3544-8716
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Träteknologi.
2013 (engelsk)Inngår i: European Journal of Wood and Wood Products, ISSN 0018-3768, E-ISSN 1436-736X, Vol. 71, nr 4, s. 451-461Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The purpose of this study was to develop fast, simple and robust solid wood mould testing methods for the use in small-scale laboratory tests. The objective was to investigate mould susceptibility of different wood materials within the batches. The proposed method is based on natural contamination of non-sterile surfaces in climates conducive to mould growth. For this purpose, a climate chamber with regulated temperature and relative humidity was used. The conditioning chamber was divided into upper and lower chamber by a thin layer of stainless steel placed horizontally above the fan to minimise air circulation to the sample in the upper compartment. Mould-infected samples from outdoor tests were used as a source of mould inocula, and test trials were conducted on Scots pine (Pinus sylvestris L.) sapwood. Samples were suspended from the top of the upper chamber, and the chamber was exposed to different temperature and humidity levels. Severe mould infestation was observed after 12-14 days of incubation. Visual mould rating was then performed. Regardless of some constraints, this test method was very simple, fast, and effective. More importantly, unlike other test methods, it closely models mould infestation as it would occur under natural condition.

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2013. Vol. 71, nr 4, s. 451-461
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URN: urn:nbn:se:ltu:diva-8083DOI: 10.1007/s00107-013-0697-0ISI: 000320376800006Scopus ID: 2-s2.0-84879217007Lokal ID: 685a5886-bee5-4256-9062-40b0ed78c195OAI: oai:DiVA.org:ltu-8083DiVA, id: diva2:980973
Merknad
Validerad; 2013; 20130423 (sheahm)Tilgjengelig fra: 2016-09-29 Laget: 2016-09-29 Sist oppdatert: 2018-07-10bibliografisk kontrollert

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Ahmed, Sheikh AliSehlstedt-Persson, MargotMorén, Tom

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