+++не могу найти несколько статей
+++не могу найти несколько статей
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K. Selidman, P. Williams. J. Soc. Chem. Ind; Chem. Zbl. 1, 1010 (1918)
T. Hennid. Chem. Zbl. 2, 4161 (1936)
S. Uno. Chem. Zbl 1, 1422 (1939)
H. Ley. Z. Phys. Chem. 30, 245 (1899)
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K. Selidman, P. Williams. J. Soc. Chem. Ind; Chem. Zbl. 1, 1010 (1918)
T. Hennid. Chem. Zbl. 2, 4161 (1936)
S. Uno. Chem. Zbl 1, 1422 (1939)
H. Ley. Z. Phys. Chem. 30, 245 (1899)
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Re: не могу найти несколько статей
Bulletin de la Societe Chimique de France; vol. 13; (1895); p. 62
Re: не могу найти несколько статей
это есть он-лайн
Код: Выделить всё
https://doi.org/10.1515/zpch-1899-3010Re: не могу найти несколько статей
первый автор SeliGman R.
в период с 1917 по 1921 у этих аторов в хемишес цетралблат прореферировано несколько статей (pdf приложен)
Sуligman (R.) n. Williams (P.), 17.II:
Wirkw1g von Essigsäure auf Al 591. -
19.I: Zerfall einer Cu-Al-Legier. 272. -
Hemmende Wrk~. des Wassers auf die
Reakt. zw. Al u. en Fetl&i.urcn, Phenol,
Kresol etc. 586. - 20.IV: \V rkg. von
Al auf harte Wasser 88.
Какова тематика поиска?
первая указанная ссылка это
Action of acetic acid on aluminium
Seligman, R.; Williams, P.
Journal of the Society of Chemical Industry, London (1917), 36, 409-415
C. A. 10, 1160. This article deals with the effect of boiling acid of lower concentrations than those previously studied; of acids of all concentrations at ordinary temperature; and of the effect of small quantities of various additions, to the AcOH. With boiling acid of concentration below 50% the rate of dissolution rizes continuously until concentration of acid falls below 1%; with more dilute acid reliable data cannot be obtained owing to formation of adherent protective coatings. The products of interaction exert a marked accelerating effect; with 1% acid the rate rose to more than 5-fold the initial value. No reason can yet be assigned; it has been observed that acid thus made highly active can be distilled without change of activity; either the activating substance is volatile or in the early stage of interaction some inhibiting substance or condition is removed. With acids of 60-5% concentration turbid solutions are formed which clear on standing or addition of HCl; little or no deposit is formed on the metal and any deposit formed is not firmly adherent. With acid of about 0.2% concn, the turbid solutions do not clear on standing and addition of HCl or of NaOH produces flocculent precipitates not readily soluble in boiling dilute HCl and firmly adherent to the metal. Acid of 5-0.2% concentration yields turbid solutions of intermediate character. The amount of dissolved Al necessary to produce turbidity varies with concentration of the acid. It increases with falling concentration of acid and is at a maximum with 10% acid. The rate of attack by cold acid is small but increases with increased dilution of the acid; the highest rate noted was with acid of 0.02% concentration The attack is generally uniform but local action was frequently observed with acid of 70-95%. Presence of oxygen appears to be the main factor determining local action. With 10% acid addition of up to 1% NaCl, KBr, KI or KNO3 is practically without effect with boiling acid but an equivalent amount of Na2SO4 raises the rate considerably. With cold 10% acid 1% NaCl raises the rate 10-fold, KBr much less, KI and KNO3 not at all; 0.5% Na2SO4 raises the rate 4-fold. With acid of 80% concentration cold, 1% NaCl increased the rate 75-fold, KBr and KI about 10-fold, Na2SO4 was without much effect and KNO3 reduced the rate to 0.25 its original value. With boiling 80% acid, 1% NaCl raised the rate from 290 to 16000; KBr from 290 to 485; KI and KNO3 were without effect and Na2SO4 had but slight effect. Where the acid alone caused local action, presence of halogen promoted such action; small amounts of H2SO4 retarded it and so little as 0.1% HNO3 absolutely inhibited it.
вторая
The inhibitory effects of water on the interaction of aluminum and (a) the fatty acids (b) phenol, cresol, α- and β-naphthols © methyl, ethyl, butyl, amyl and benzyl alcohols
Seligman, R.; Williams, P.
Journal of the Society of Chemical Industry, London (1918), 37, 159-165T
cf. C. A. 10, 1160. In the absence of water pure palmitic and oleic acids attack Al vigorously while minute traces of water suffice to inhibit the action entirely. If heated in air the higher fatty acids only attack Al at about 300°, whereas if heated in a current of dry neutral gas or in vacue interaction starts at a very much lower temperature A current of O, however, will protect the metal from attack as water is produced by contact of O with the higher fatty acids, whereas the lower fatty acids are not oxidized under the conditions prevailing. The composition and physical condition of the metal are not without bearing on the rate of attack. Boiling aqueous solutions of phenol do not act on Al, but if left in contact with the Al for many months in the cold in presence of air the solutions act on the Al in a manner similar to water. Phenol solutions containing only a small amount of water do not attack Al, but if the phenol is dehydrated violent action immediately sets in, and when once initiated continues even if the temperature is lowered to 50°. No attack occurs when the phenol, contains as little as 1 % of water. Similar conditions prevail with regard to a mixture of the cresols and to α- and β-naphthol, all of which, when anhydrous, attack Al violently, although α-naphthol acts less readily than the other substances. It is more difficult to stop the attack by these substances when once initiated than in the case of the lower fatty acids, possibly because of their high b. p. and the difficulty of securing intimate admixture of the water added, but probably also because the rate of attack is very rapid and consequently much Al phenoxide is formed, which entails the addition of considerable water before complete decomposition can be accomplished. The dissolved phenoxides tend to keep the phenols anhydrous and allow the reaction to proceed. The reaction of the phenoxides with water occurs in at least two stages, the first substance formed being soluble in certain dry organic solvents. The addition of further quantities of water brings about complete decomposition into phenol and Al(OH)2. Hot anhydrous solution of quinol, resorcinol, pyrogallol, glycol and glycerol had no action on Al. Methyl, ethyl, n-butyl, amyl and benzyl alcs. when sufficiently anhydrous attack Al at high temperatures Minute quantities of water are sufficient to prevent the attack or to stop it when start. The inhibitory effect of water on the interaction of the Al and the solvents is explained as follows: The Al is normally protected by an oxide film which covers it, but this film breaks down when exposed to the action of the dehydrated organic solvents exptd. with. The presence of even the minutest trace of water in excess is sufficient to inhibit the attack since the phenoxides or alkoxides are immediately decomposed with formation of Al(OH)3, or because the Al exposed to breakdown of the film is immediately reoxidized by the water. The extreme sensitivity to water of the compounds formed and their resultant dehydrating tendency seem to explain why the interaction increases in violence as the products of the attack accumulate. When the proportion of metal to solvent is large the number of points at which the metal is attacked is greater and the attack by those liquids containing large quants. of dissolved metal cannot be stopped by traces of water. No doubt the bulk of the compound must be decomposed with the production of hydroxide before the water becomes operative n this respect.
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Re: не могу найти несколько статей
тематика поиска - делаю лит.обзор по методам получения моноацетата алюминия Al(OH)2OAc
Re: не могу найти несколько статей
Journal of the Society of Chemical Industry, London (1917), 36, 409-415
начиная со стр. 409 эта статья
начиная со стр. 409 эта статья
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Re: не могу найти несколько статей
Journal of the Society of Chemical Industry, London (1918), 37, 159-165T
(первая по счету статья в pdf)
(первая по счету статья в pdf)
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Re: не могу найти несколько статей
Спасибо!
Re: +++не могу найти несколько статей
три статьи S. Uno на стр. 1422 в Chem. Zbl за 1939
про алюминий - 2 (pdf из Chem. Zbl прикреплен)
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Re: +++не могу найти несколько статей
фамилия Hennig (надо)
в Chem. Zbl. ссылка на патент
страница из Chem. Zbl. и сам патент приложен
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