Die Logik der Dichtung

Hamburger, Käte

Bibliografische Daten

Monografie

Persistenter Identifier:: 1464595917209

Titel:: Die Logik der Dichtung

Autor:: Hamburger, Käte

Verleger/Verlag:: Ernst Klett Verlag

Erscheinungsort:: Stuttgart

Erscheinungsjahr:: 1968

Umfang:: 284 S.

Sprache:: deutsch

Strukturtyp:: Monografie

Standort:: Universitätsbibliothek Stuttgart

Signatur:: 2L 2061(2)

Bemerkung:: Zweite, stark veränderte Auflage

Lizenz:: https://www.deutsche-digitale-bibliothek.de/content/lizenzen/rv-fz/

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Titel:: Die fiktionale oder mimetische Gattung

Strukturtyp:: Kapitel

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Titel:: Vorbemerkung: Der Begriff der literarischen Fiktion

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Saguity Nena) ~~ Constancy of Thiosulphate Solutions. 277 THE CHEMICAL Py oo 2 NEWS. & 28 ¢ 25 fez = Ego OB a oa a 8 = G8 5 ge 8 5 E ER 5 FSi wn @ © @ ‘s Fi S % Boge ON THE CONSTANCY OF THIOSUL PHATE SOLUTIONS By SPENCER UMFREVILLE PICKERING, B.A, Oxon., Assistant Master at Highgate School, and LeGurer in Chemistry at Bedford College, Ly the course of some work in which standard solutions of sodium thiosulphate were in constant use, it became lesirable to ascertain the circumstances under which solutions of this salt remained most constant. In order 10 accomplish this a number of solutions, both of sodium and of potassium thiosulphate, were prepared and subjected to different conditions, their titres being determined from time to time by comparison with a standard solution of potassium bichromate, or with weighed quantities of that salt. The following method was usually adopted in the titra- tion of the solutions:—A given volume of the standard bichromate solution was treated with definite quantities of petassium iodide and hydrochloric acid. A certain volume of the thiosulphate solution sufficient to be very nearly equivalent to the liberated iodine was then added, and the small quantity of iodine which still remained free was determined by a standard solution of thiosulphate, ihe strength of which had been previously ascertained. The various corre@ions for the acid added and for differ. ences of temperature were made in accordance with the results of a previous research (Fourn. Chem. Soc., 1880, 128); the results given in the following tables being also reduced soas to be more easily comparable with each other: a difference of o'o12 c.c. in the tables corresponds to a difference of about 0'0x c.c.in the actual observations. In some preliminary experiments an apparent increase In the strength of the thiosulphate solutions was noticed during the first few days, and, as this could only be ex- plained by a corresponding decrease in the strength of the bichromate solution, a few experiments were made in order to ascertain whether a neutral solution of this latter salt would oxidise any organic matter which might happen to be present in it. A standard solution of potassium bichromate was taken, and, after ascertaining that its strength was not altering at the time, a small quantity of dust was introduced and its strength again determined from time to time. The following results were obtained :— Strength of the solution at first .. .. 00°00 “” " after x day .. 10002 ” » » 2days .. go9'89 “ ” ”» » 3 9» .. 100°I5 1] ” ” 14] 4 * Le 99°99 Some dust was then introduced. Strength of the solution after 1 day .. 09'68 » " » 3days .. ggg 2" ” » 6 ” .. 9976 " » n 52 yu +. 0956 " 1 »362 ,, .. gg28 Again, a solution of bichromate, to which some grape. sugar had been added, was found to have lost 1I'52 pet cent of its oxidising power in the course of eight months, 2 brown deposit of chromium hydrate being formed at the same time. Light, although not essential to the action, was found to accelerate it. These experiments clearly show that any organic matter which might happen to be present in the water used for dissolving the bichromate would cause a diminution in he available atrength of the solution. a ov oa o Ao NE a NS = EX R ARREARS RIE LTE © a utul unui unui AAG haHRe 8 fn U1 OV ph = OV 00 00 KM a BY Ea™ = Www ROBE REIT LEN OO wud ir ia — — — —— ——— EA EEN lal =~ Ia - —- la] lal la E52 x A NA Ka £8 guER) ER] mono ou 5 dh BPgar A [= wa ® 0 = a 0B wow NO oN on “osgs my “ = = © © 7 EF. u58 © 9 8 wv 0 9 oF ® © © © © vw @ Q gns g . . w . 3 wi I oS 5 = ¢ Fd N © gE E a we © ”~ HOH ARAN [ () FEB rr ——— He fi A HS wu NON fe - PEE EHH Ea ESAs S ntti WW OY Oy nO EW nd 8%t 8B er See oe et ee " lad - - £5 5 £ mou ou © oo, OW Ns Ro a30 © HoH HT TRACE a oa-HgRe, Ho S88E ok > TESS Ey Fm og 2 * Boga} SS pod a oO gFokp=s Coot =e = ps Ie] ee 2 5s B 5 5 %r UW ° g8s 7 CL S Sgm a © £5 FF 0 © © © YW WV WY © © © © © 9 i Oo Ww oN ou ® a wu oO Ww Wn Ww bt dee Bo off oe gadd NAVAN ar @ Oo HOR HH eH HmeuESL 9 Fok Bad dp os gS ARH eel FL wal Sui A OO Gy ad aHie 5 N 00 6 com HULU QaozAg 8 f° OR+H HO OOWQ som SL a ty man Wg” tg ~ 238 wl H HH = HH = ld ~ E220 : a =» = Bb & » ¥igel J uu a 6 6 Bodog 3 a [+d © =u oN zoeY5 Ga ® a oo © BOREL 2% xu o a - 5 wm 8 go8 F © £%3 2 ¢ wER 6 559 Lo. ROE B » MOE Bb ed hon EE OE2 ERE HER BREE Lppseess E01 ui uu OUND Go aHI aug OWN = OO NN a bp et ERB ®©S oO Liaw o MIE art gee — ——— " goa = = - = tad — E.5rU aA - cI a 283 Lou ui == a Feafl 0h ~I Oo nN [= 5) © © + How Too oy ~~ n= - es = ze oo. Pau & 95 Tg ELBRE Ton ae 00 a Sep Ho et be cH] ret pe bt EREHAL £4 £2 sais SEdSgE Ef £9288 N Oh O O-h Ow ph NOP —y— —— Spt —— or —— lad - Le - - = EE 5 & S45 w wo a a 8 & e & EN nN » = Q © o w wn gl 087 BAG CORD A oHaeUn NR mae N00 8 on Won 3 —_——a 53 0 0 wm Enbri BS owOogd, 3 Fog] I [=] aon 3 Coady _y oF - wh E wsw 2259 Eger EERE? pRB ~~ oO 0 © © 9 nN 0 SS 8 8 oS NM sD uw 0 a KX 9 B® Bu = = o 9 Qo

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fullscreen: Chemical news and Journal of physical science (Volume 44, 1881 (July - December))

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