Characterization of solid tanning salts manufactured from iron (III) sulphate and potassium acid tartrate / E. L. Talvani in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 78, N° 2 (03-04/1994)  

[article]  inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 78, N° 2 (03-04/1994) . - p. 50-54 Titre : Characterization of solid tanning salts manufactured from iron (III) sulphate and potassium acid tartrate Type de document : texte imprimé Auteurs : E. L. Talvani, Auteur ; N. A. Lacour, Auteur Année de publication : 1994 Article en page(s) : p. 50-54 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : Preparation and the characterization of solid tanning salts from iron (III) sulphate and potassium acid tartrate (cream of tartar) were performed. The iron (III) sumphate was obtained as a by-product of the processing of titaniferous iron ores from the Province of Buenos Aires. The manufacture started with physical upgrading of the ore and the concentrate thus obtained was then digested with sulphuric acid. At the end of the reaction iron (II) sulphate heptahydrate was separated, and the separated iron (II) was oxidised and cream of tartar was added to stabilize the iron (III). Solid tanning salts were obtained by spray drying. The storage and stability of the preparations were measured as a function of the principal physicochemical parameters. Finally, the suitability of the solid tanning salts for the tannage of goat skins was determined. The evaluation of the tanned leathers was performed by means of physico-mechanical tests and chemical analyses. En ligne : https://drive.google.com/file/d/1C81pN5Dj8uOo14igcHUOIweaap37tnaE/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=8387 [article]

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Tannage with iron (III) chloride manufactured from titaniferous iron ores / E. L. Tavani in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 76, N° 4 (07-08/1992)  

[article]  inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 76, N° 4 (07-08/1992) . - p. 128-131 Titre : Tannage with iron (III) chloride manufactured from titaniferous iron ores Type de document : texte imprimé Auteurs : E. L. Tavani, Auteur ; N. A. Lacour, Auteur Année de publication : 1992 Article en page(s) : p. 128-131 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : Various aspects related to the manufacture, purity and tanning use of iron (III) chloride prepared from titaniferous iron ores were examined. The physical upgrading of the mineral was studied and the resulting concentrated fraction was digested with hydrochloric acid. Those cations which are dissolved together with the iron (III) thus, possibly altering the tanning quality of the prepared solution, were determined. Undesirable cations were eliminated by means of simple operations. The tanning properties of the prepared solution were evaluated by tanning tests. Characterization of the tanned leather was carried out by means of physicomechanical and chemical tests. In the process proposed, the (III) chloride was obtained as a minimum cost by-product of an extractive metallurgy process. En ligne : https://drive.google.com/file/d/1At9cXKhVVbXJ7h9dyMN48fOX7eWFSkHv/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=8607 [article]

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