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675.2 : Préparation du cuir naturel. Tannage |
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The design and implementation of a computer controlled tanyard / Harold E. Bailey in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXXII (Année 1987)
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Titre : The design and implementation of a computer controlled tanyard Type de document : texte imprimé Auteurs : Harold E. Bailey, Auteur ; Leo P. Devarenne, Auteur ; Stephen R. Lyons, Auteur Année de publication : 1987 Article en page(s) : p. 345-350 Langues : Américain (ame) Index. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : Several years ago Wolverine leathers concluded that if they were to remain in the leather business and be competitive they must modernize their tanyard.
Some of the projected benefits of modernization were standardization of quality ; labor, material and energy savings ; reduced number of rejects and increases in yield.
Many tanneries and equipment manufacturers throughout the world were visited in order to insure that the best available technology was used in the design of the new facility.
The construction period was approximately two years. The first tan mill was run on January 27, 1986.
We will share with the industry our experience of the first six months of operation of our modern high tech tanning operation.En ligne : https://drive.google.com/file/d/1JvEuFJqPtg2_DceBeXsBGhOYHejRFrkX/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=9056
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Code-barres Cote Support Localisation Section Disponibilité 008087 - Périodique Bibliothèque principale Documentaires Disponible The development of an integrated rechroming-neutralization-post tanning proces manufacture of upper leathers from goatskins / T. Ayyasamy in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 89, N° 2 (03-04/2005)
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Titre : The development of an integrated rechroming-neutralization-post tanning proces manufacture of upper leathers from goatskins Type de document : texte imprimé Auteurs : T. Ayyasamy, Auteur ; Palanisamy Thanikaivelan, Auteur ; Jonnalagadda Raghava Rao, Auteur ; Balachandran Unni Nair, Auteur Année de publication : 2005 Article en page(s) : p. 71-79 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Cuirs et peaux de chèvres
Déchets -- Réduction
Industrie -- Pollution -- Lutte contre
Neutralisation (chimie)
Post-tannage
RechromageIndex. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : In this study, an integrated rechroming cum neutralisation and post tanning process has been designed to combat the pollution caused by tanning as well as to save resources. Studies on the integration of rechroming and neutralisation reveal that there is no physical deposition of chromium on the leathers at the selected chromium sulphate offer and pH. The process, especially when used for uppers, produces leathers which possess comparable strength and bulk properties to leathers from a conventional multi-step wet finishing process. In particular, the colour and fullness of the leathers are improved.
The developed process leads to significant reduction in pollution loads, COD, TS and chromium loads are reduced by 28%, 34% and 72%, respectively. The quantity of water required is reduced to 5 l/Kg as against 18 l/Kg for processing shaved wet blue goat leathers. The process is shown to be techno-economically feasible.Note de contenu : - EXPERIMENTAL METHODS : Control wet finishing process - Integrated wet finishing process
- RESULTS AND DISCUSSION : Integrated rechroming-neutralisation-post tanning process
- Table 1 : Chromium uptake and content in the liquor and leather for varying offer of BCS during rechroming cum neutralisation at a pH of 6
- Table 2 : Visual assessment of the leathers after rechroming cum neutralisation at a pH of 6
- Table 3 : Organoleptic properties of control and experimental crust leathers
- Table 4 : Colour measurement values of control and experimental crust leathers
- Table 5 : Strength characteristics of leathers from integrated (E) and conventional (C) wet finishing processes
- Table 6 : Analysis of composite liquor from integrated (E) and conventional (C) wet finishing processes
- Table 7 : Comparison of water consumption and discharge for control (C) and experimental (E) wet finishing of 1 kg shaved wet blue
- Table 8 : Power consumption for control (C) and experimental (E) wet finishingEn ligne : https://drive.google.com/file/d/1YlbnoGPAZnnZqI2OUpNxkrfONA168ITb/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39597
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 89, N° 2 (03-04/2005) . - p. 71-79[article]The drying characteristics of chrome-tanned leather / E. P. Lhuede in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 57 (Année 1973)
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Titre : The drying characteristics of chrome-tanned leather Type de document : texte imprimé Auteurs : E. P. Lhuede, Auteur Année de publication : 1973 Article en page(s) : p. 99-106 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Cuir -- Séchage
Cuirs et peaux -- Teneur en eau
Tannage au chrome
Tannage végétalIndex. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : The drying characteristics of chrome-tanned as a porous medium have been examined with particular reference to the falling rate period of drying between approximately 95% and 12% moisture contents. Samples 020 m2 have been used with thicknesses ranging from 2.0 to 4.5 mm and with drying air velocities of 2.0 to 7.8 m/sec. Averaged drying rate and moisture content values have been computed from weight loss-time readings and the results plotted. Three findings emerged : first and perhaps predictably, drying times are dependent on the 0.6 power of the velocity of the air flow over the leather surface according to conventional heat transfer theory. This relationship is true up to about 2.5 mm leather thickness and has important practical implications. Secondly the moisture content-drying rate relationship can be represented by three straight lines with intersections at 30% and 18% moisture content and the system has three distinct falling rate periods. Thirdly drying times for the system considered are linearly related, but not directly proportional to leather thickness. The last two of these observations indicate that the equations derived for the drying ofa simple capillary system are limited in their application of the drying of chrome leather. Note de contenu : - Drying rates for chrome-tanned leathers
- Effect of air velocity on drying time
- Effect of thickness on drying time
- Vegetable tanned leather of varying thicknesses
- Practical considerations
- Fig. 1 : Moisture content parameter expressed as a ratio of the moisture content at a given time in excess of the equilibrium value (12.1%-12.6%) divided by the difference between the critical value (95 %) and the equilibrium figure. The curves are for three thicknesses
- Fig. 2a : A computer plot of moisture content-rate of drying indicating the 30% discontinuity
- Fig. 2b : The plot of Fig. 2a expanded to cover the moisture content range 12% to 50% (approx.) indicating a possible second discontinuity at about 17% moisture content
- Fig. 3 : A drying rate-moisture content plot to an equilibrium moisture content of 5.5% showing the "18%" and "30%" discontinuities
- Fig. 4 : Drying times for a chrome leather of thicknesses 2.5 mm to 30% and 13% moisture contents from a critical moisture content of 95% at a range of drying air velocities
- Fig. 5 : Leather thickness and drying times for the falling rate period to and 30% to 12% (aprox.) moisture contents at three velocities
- Table 1 : Drying times for a range of air velocities for a corrected leather thickness of 2.45 mm
- Table 2 : Gradient of moisture content-drying rate plots over three invervals with a linear relationship between the discontinuities and for a range of air velocities
- Table 3 : Drying times to various moisture contents at three velocity levels and varying substance
- Table 4 : Drying times for vegetable tanned soleleather of varying thicknessesEn ligne : https://drive.google.com/file/d/1f9uaM2_Mtn1PRR5ZynktV0smYfyVub_h/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31690
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 57 (Année 1973) . - p. 99-106[article]Exemplaires (1)
Code-barres Cote Support Localisation Section Disponibilité 008593 - Périodique Archives Documentaires Exclu du prêt The ecological challenge of producing leather / Alois Püntener in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXXX, N° 7 (07/1995)
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Titre : The ecological challenge of producing leather Type de document : texte imprimé Auteurs : Alois Püntener, Auteur Année de publication : 1995 Article en page(s) : p. 206-219 Langues : Américain (ame) Index. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : The tanner's responsibility for active environmental protection is being assigned more and more importance in today's society. The reduction of pollution in tannery waste is being tackled on three fronts. Firstly, tanneries are optimizing and reducing their overall chemical consumption and improving waste-water purification. Secondly, tanneries are more efficient in their use of chrome, and are selectively employing non-chrome procedures. Lastly, recycling of leather production waste is now being more actively promoted. This paper will present a simple environmental balance scheme and show a new tanning system which supplements existing tanning procedures. This innovative approach is to pickel the skins with an organic polymeric sulfonic acid without adding salt in the float. It is then pretanned with a penetrating glutaraldehyde formulation or a suitable syntan, forming a stabilized wet white. The influence on the subsequent wet-end processing as well as the flexibility to produce different leather is described. The practical experiences with this system will be discussed and the possiblities of waste recycling, reuse and other benefits will be shown. Note de contenu : - COD and salt in the beamhouse
- Salt-free pickling
- Chrome tanning effluent
- Chrome tanning
- Chrome tanning solid waste
- Alternative leather manufacturing process
- Syntan wet white
- Pretanning with glutaraldehyde
- Chrome-free leather based on glutaraldehyde
- Wet white retanned with chromeEn ligne : https://drive.google.com/file/d/13AQQxLOkt7h3q93575aQoUaC2EYivUUy/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=7938
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Code-barres Cote Support Localisation Section Disponibilité 006933 - Périodique Bibliothèque principale Documentaires Disponible The ecotoxicity of leathers under different tanning methods / Zhong Anhua in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 106, N° 2 (03-04/2022)
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Titre : The ecotoxicity of leathers under different tanning methods Type de document : texte imprimé Auteurs : Zhong Anhua, Auteur ; Fang Songchun, Auteur ; Wang Ji, Auteur ; Huang Zhuo, Auteur Année de publication : 2022 Article en page(s) : p. 65-72 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Chrome
Chrome hexavalent -- Toxicologie
Cuirs et peaux -- Analyse
Ecotoxicologie
Hydrocarbures
Métaux lourds
Métaux lourds -- Toxicologie
Sols -- Pollution
Tannage -- Aspect de l'environnementIndex. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : End-of-life is important when determining a material's sustainability credentials. Raw hides/skins are naturally biodegradable and, therefore, leather can play a key rote in a sustainable circular future. The addition of chemicals during tanning alters the disintegration rate and, different tanning methods likely produce leather with various toxicities.
Leather samples tanned using different methods were analysed for detectable values of common toxins. Ecotoxicological screening was carried out on 5-samples of each type of leather (chrome-tanned, chrome-free and vegetable-tanned). Chrome-tanned leather had significantly more detectable levels of chromium than other leathers. Vegetable-tanned leathers had significantly more detectable levels of extractable petroleum hydrocarbons compared to other samples.
At end-of-life, toxins from biodegradable leathers may contaminate soil. Oxidants within soit oxide Cr(III) to more toxic Cr(VI). Chromium is taken up by plants, impacting growth and development, due to its structural similarity to other essential nutrients. Petroleum hydrocarbons negatively impact soit enzyme activities which alters nutrient availability. These hydrophobic compounds stunt plant growth and development and exert a carcinogenic effect. Toxins within soils may affect organisms directly through ingestion or indirectly through bioaccumulation which poses a risk to human health.
Although the tanning method influences the ecotoxicological screen, the leather-making process is diverse (depending on desired leathers properties and application) and therefore, tanning type is not an accurate determinant of leather toxicity. Furthermore, the ecotoxicological screen is not comprehensive and, therefore, compounds with high toxicity may not be currently detected. Ecotoxicological screening methods should be improved to cover all compounds of concern.Note de contenu : - Sources of heavy metals
- Toxicity of chromium
- Sources of toxins at low detectable levels
- Sources of extractable petroleum hydrocarbons
- Toxicity of petroleum hydrocarbons
- Influence of soil characteristics on leather toxicity
- Alternative factors influencing leather toxicity
- Table 1 : Outcomes of the Kruskal-Wallis test, along with medians and ranges for each toxin
- Table 2 : High hazard threshold vs detected levels of contaminants in soilEn ligne : https://drive.google.com/file/d/1W913HlTHZbbPNsl2VgsO_X9frP6gz9Xh/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=37485
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Code-barres Cote Support Localisation Section Disponibilité 23351 - Périodique Bibliothèque principale Documentaires Disponible The effect of anaerobic digestion on chrome sludge - A by - product of tanned leather waste / Nabanita Saha in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. XCVIII, N° 7 (07/2003)
PermalinkThe effect of different acids in the warm circulator system sole leather tannage / D. A. Williams-Wynn in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 54, N° 10 (10/1970)
PermalinkThe effect of dye constitution on the wettability of chrome leather / D. E. Crack in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 58 (Année 1974)
PermalinkThe effect of enzyme pre-treatment for tannery sludge / Li Xiaoxing in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 99, N° 5 (09-10/2015)
PermalinkThe effect of polymeric phosphate chain length on shrinkage temperature and vegetable tanning penetration / Elton L. Hurlow in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXXI (Année 1986)
PermalinkThe effect of retannage and nature of the finish on water vapour permeability / A. W. Landmann in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 54, N° 1 (01/1970)
PermalinkThe effect of salinity on the the treatment of tannery effluents and sludges / Richard Daniels in WORLD LEATHER, Vol. 18, N° 7 (11/2005)
PermalinkThe effect of sodium chloride on anaerobic digestion / C. A. Jackson-Moss in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXXIV (Année 1989)
PermalinkThe effect of surfactant on the isolation of protein products from chromium-containing solid tannery waste. Influence on the process and on the chemical, physical and functional properties of the resultant gelatin / Luisa F. Cabeza in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LCIV, N° 5 (07/1999)
PermalinkThe effect of two anti-fungal compounds on the growth of molds that frequently appear on tanned leather / Binnur Meriçli Yapici in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. XCII, N° 2 (02-03/1997)
PermalinkThe effects of processing condition on the hydrothermal stability of chrome leather. Part 1. Constant tanning conditions then ageing / Anthony D. Covington in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXXVI, N° 10 (10/1991)
PermalinkThe effects of processing conditions on the hydrothermal stability of chrome leather. Part II. dynamic tanning conditions / Anthony D. Covington in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXXVI, N° 11 (11/1991)
PermalinkThe effects of trivalent chromium from tannery wastes on earthworms / Stephen A. J. Shivas in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXV (Année 1980)
PermalinkThe effects of trivalent chromium from tannery wastes on plants / Stephen A. J. Shivas in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXV (Année 1980)
PermalinkThe elimination of effluent from liming, acid/salt pickling and the chromium tanning processes / Richard Daniels in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 101, N° 3 (05-06/2017)
PermalinkThe extraction of tannin from valonia with a new extractor / K. Aydin in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXXV (Année 1990)
PermalinkThe function of the basic groups of collagen in its reaction with vegetable tannins / Karl Helmer Gustavson in JOURNAL OF THE SOCIETY OF LEATHER TRADES' CHEMISTS, Vol. 50, N° 4 (04/1966)
PermalinkThe further investigation of tanning mechanisms of typical tannages by ultraviolet-visible and near infrared diffused reflectance spectrophotometry / Junling Guo in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CVI, N° 7 (07/2011)
PermalinkThe heteregeneous interaction between sulpho-syntans and collagen. Part V. polyelectrolyte complex type / Z. Vinklà rek in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 74, N° 4 (07-08/1990)
PermalinkThe heterogeneous interaction between sulpho-syntans and collagen, part III / Z. Vinklà rek in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 73 (Année 1989)
PermalinkThe heterogeneous interaction between sulpho-syntans and collagen. Part V. Polyelectrolyte complex type / Z. Vinklà rek in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 74 (Année 1990)
PermalinkThe history of chrome tanning materials / Wolfhard Luck in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 70 (Année 1986)
PermalinkThe identification of naphthalene syntans by classical and derivative ultraviolet spectrometry / A. H. Lawrence in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXV (Année 1980)
PermalinkThe impact of acid rain on vegetable tanned leather / Yanping Gao in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 100, N° 3 (05-06/2016)
PermalinkThe impact of halophilic organisms on the grain quality of brine cured hides / David G. Bailey in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXXXI, N° 2 (02/1996)
PermalinkThe impact of lowering the Cr(VI) detection limit in leather : implications on quantitative analysis / S. J. Davis in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 106, N° 4 (07-08/2022)
PermalinkThe impact of potassium persulfate on linseed oil tanning / Bindia Sahu in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXVII, N° 8 (08/2022)
PermalinkThe influence of fatliquors on the lightfastness of dyed leather / Alois Püntener in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXXXI, N° 5 (05/1996)
PermalinkThe influence of relative humidity on the level of Cr(VI) in level of Cr(VI) in chrome-tanned leather / Yu Congzheng in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 89, N° 5 (09-10/2005)
PermalinkThe influence of solvents on hydrothermal stability and microstructure of combination tannage / Wang Yajuan in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 96, N° 2 (03-04/2012)
PermalinkThe kinetics of chrome tannage-V. A possible explanation of the mode of action of glucose reduced chrome liquors / Stanley Briggs in JOURNAL OF THE SOCIETY OF LEATHER TRADES' CHEMISTS, Vol. 50, N° 4 (04/1966)
PermalinkThe kinetics of chrome tanning of hide powder modified by formaldehyde / P. Smejkal in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXV (Année 1980)
PermalinkThe leather trades' engineers of Massachusetts : Vaughn Machine Co. 1892-1904 Vaughn-Rood Machine Co. 1903-1905 / Trevor Lyons in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 102, N° 6 (11-12/2018)
PermalinkThe machines in the tannery / Walter Landmann / Liverpool [Royaume-Uni] : World Trades Publishing (2003)
PermalinkThe measurement of the binding of tannin subunits to soluble collagen by continuous-flow dynamic dialysis / Neil A. Sparrow in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 66 (Année 1982)
PermalinkThe mechanical properties of chrome tanned sheepskin. Variation of properties with position / Poulter Ward in JOURNAL OF THE SOCIETY OF LEATHER TRADES' CHEMISTS, Vol. 50, N° 4 (04/1966)
PermalinkThe mechanism of fish oil (Engraulis japonica) tanning / Zhou Hualong in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 95, N° 6 (11-12/2011)
PermalinkThe microstructure changes of collagen fibres introduced by a novel metal complex : Zr-Al-Ti / Chen Yining in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 102, N° 1 (01-02/2018)
PermalinkThe modern rational pit-drum tannage of vegetable sole leather / Jan Mosiewicz / London [United Kingdom] : Forestal International Ltd (1976)
PermalinkThe optimization of epoxide-based tannage systems - An initial study / R. J. Heath in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 89, N° 3 (05-06/2005)
PermalinkThe physical-chemical treatment of tannery effluents / Heinz-Peter Germann in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 79, N° 3 (05-06/1995)
PermalinkThe physical properties of leather from kangaroo skins II - Variation in properties with sampling position / L. J. Stephens in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXXIV (Année 1989)
PermalinkThe physical properties of leather from kangaroo skins III / L. J. Stephens in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXXIV (Année 1989)
PermalinkThe physical properties of leather from kangaroo skins IV - Comparison of tannages for hair-on skins / D. E. Peters in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXXIV (Année 1989)
PermalinkThe physical properties of leather from Kangaroo skins V. Comparison of hair-on and unhaired tannage / L. J. Stephens in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXXV (Année 1990)
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