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Study of the effect of temperature, relative humidity and UV radiation on chrome-tanned leather ageing
(2012-06-01)
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Since leather is strongly affected by three main environmental parameters: temperature, relative humidity and UV radiation, this piece of research focuses on the effect that these three factors have on chrome-tanned leather ...
Inter-laboratory study on formaldehyde determination by HPLC
(2008)
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The colorimetric determination of formaldehyde in a water extract of a leather sample is a procedure that has been criticized because of possible interferences of other aldehydes and coloured substances that could interfere ...
Waste water reutilization in the leather industry using membrane technology
(2009)
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This paper documents a technical feasibility study opf tannery wasterwater which was reclaimed (treated) and reutilized in tannery leather making processes. The studied waste water was processed in the waste water treatment ...
Determination of hexavalent chromium in leather by ion-exchange chromatography
(2014-09-01)
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The determination of traces of hexavalent chromium in leather and in leather consumer goods is carried out by ion-exchange chromatography. Samples are extracted at pH7.5-8 with a phosphate buffer, according to the method ...
Comparison of weathering variables on chrome-tanned and wet-white leather ageing
(2012-02-08)
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Leather is a natural material that can be used in different environments and often under aggressive environmental conditions that may cause premature ageing. The most important factors influencing the degradation of leather ...
Nuevas aplicaciones de la cromatografía iónica en el sector de curtidos
(2012)
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La industria de curtidos utiliza gran variedad de productos químicos en las diferentes etapas del proceso de curtición. Una parte de estos productos son absorbidos por las pieles, mientras que el resto pasan a las aguas ...
Determination of fungicides in residual tanning floats using solid phase micro extraction
(2013-02-04)
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Solid-phase microextraction (SPME) was optimized for extraction of the leather preservative agents 2-(thiocyanomethylthio)-benzothiazole (TCMTB), 4-chloro-3-methylphenol (PCMC), 2-phenylphenol (OPP), 2-Octyl-3(2H)-isothiazolone ...
Comparisonof the effect of the tropical test on both chrome-tanned and wet-white upholstery leather
(2011)
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Automotive upholstery leather can undergo extreme environmental conditions that may cause premature ageing. Leather is strongly affected by three main environmental parameters: temperature,relative humidity and UV radiation. ...
Libro de calidad para la producción de piel y cuero libre de Cromo(VI)
(2006)
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Auxiliary agents with non-swelling capacity used in pickling/tanning processes. Part 3.
(2004)
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In the present work, the behaviour of the four commercial products with non-swelling capacity in the pickling/tanning processes of sheepskins is studied. The successful application of these products to thinner skins would ...