COLOUR DEVELOPMENT ON DRYING

The drying of wet materials induces a number of physico-chemical changes in the product, often reflected in colour. For dried products sold on appearance, like certain grades of wood, the extent of colour development is highly significant in terms of the material’s end-use. Until recently,...

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Autor principal: Keey,Roger B
Lenguaje:English
Publicado: Universidad del Bío-Bío 2005
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Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2005000100001
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spelling oai:scielo:S0718-221X20050001000012008-05-20COLOUR DEVELOPMENT ON DRYINGKeey,Roger B colour wood drying kiln brownstain The drying of wet materials induces a number of physico-chemical changes in the product, often reflected in colour. For dried products sold on appearance, like certain grades of wood, the extent of colour development is highly significant in terms of the material’s end-use. Until recently, colour was normally assessed by eye, but the availability of convenient spectrophotometers has provided industrial users with a means of quantitative description of colour. Examples from wood technology include assessing the impact of biological surface treatment, the impact of ultraviolet radiation, and screening of drying schedules by evaluating kiln brown-stain development. In other applications, the depth of colour might be used for the screening of drying schedules as an adjunct to other tests for stress development, or to pinpoint reaction and knotty wood in boards by an online scannerinfo:eu-repo/semantics/openAccessUniversidad del Bío-BíoMaderas. Ciencia y tecnología v.7 n.1 20052005-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2005000100001en10.4067/S0718-221X2005000100001
institution Scielo Chile
collection Scielo Chile
language English
topic colour
wood drying
kiln brownstain
spellingShingle colour
wood drying
kiln brownstain
Keey,Roger B
COLOUR DEVELOPMENT ON DRYING
description The drying of wet materials induces a number of physico-chemical changes in the product, often reflected in colour. For dried products sold on appearance, like certain grades of wood, the extent of colour development is highly significant in terms of the material’s end-use. Until recently, colour was normally assessed by eye, but the availability of convenient spectrophotometers has provided industrial users with a means of quantitative description of colour. Examples from wood technology include assessing the impact of biological surface treatment, the impact of ultraviolet radiation, and screening of drying schedules by evaluating kiln brown-stain development. In other applications, the depth of colour might be used for the screening of drying schedules as an adjunct to other tests for stress development, or to pinpoint reaction and knotty wood in boards by an online scanner
author Keey,Roger B
author_facet Keey,Roger B
author_sort Keey,Roger B
title COLOUR DEVELOPMENT ON DRYING
title_short COLOUR DEVELOPMENT ON DRYING
title_full COLOUR DEVELOPMENT ON DRYING
title_fullStr COLOUR DEVELOPMENT ON DRYING
title_full_unstemmed COLOUR DEVELOPMENT ON DRYING
title_sort colour development on drying
publisher Universidad del Bío-Bío
publishDate 2005
url http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2005000100001
work_keys_str_mv AT keeyrogerb colourdevelopmentondrying
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