Determination of the water content of a ketone-containing lacquer solvent mixture / R. N. Reddie in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 66 (Année 1982)  

[article]  inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 66 (Année 1982) . - p. 125-128 Titre : Determination of the water content of a ketone-containing lacquer solvent mixture Type de document : texte imprimé Auteurs : R. N. Reddie, Auteur Année de publication : 1982 Article en page(s) : p. 125-128 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Analyse quantitative (chimie) Cétones Mélanges (chimie) Solvants -- Teneur en eau Solvants organiques Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : A method for determining the water content of solvent mixtures which are rich in ketones is described. As little as 0.1 g of water can be accurately determined by azeotropic distillation followed by Karl Fischer titration. A more rapid variant is described which is suitable for the approximate estimation of larger amounts of water. Note de contenu : - 1. Studies with hydrocarbon solvents - 2. Studies with chlorinated hydrocarbon solvents - 3. Hygroscopic nature of the solvent mix - Table 1 : Azeotropic distillation of water from solvent mix. Examples of hydrocarbon liquids as entrainers - Table 2 : Effect of reflux time on recovery of water from solvent mix - Table 3 : Determination of small amounts of water in solvent mix - Table 4 : Determination of water content of solvent mix with heavier-than-water chlorinated hydrocarbon entrainers - Table 5 : Absorption of water by solvent mix exposed, for number of days specified, to an atmosphere of 52% r.h. at 20°C En ligne : https://drive.google.com/file/d/1hCWEdcjwmDyan5gNysFYJ7Idy43aU67f/view?usp=drive [...] Format de la ressource électronique : pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34218 [article]

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