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Nachweis und Bestimmung organischer Verbindungen (2. Band)

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fullscreen: Nachweis und Bestimmung organischer Verbindungen (2. Band)

Multivolume work

Persistent identifier:: 1670259072

Author:: Meyer, Hans

Title:: Lehrbuch der organisch-chemischen Methodik

Type of content:: Lehrbuch

Year of publication:: 1922

Place of publication:: Wien

Publisher of the original:: Verlag von Julius Springer

Identifier (digital):: 1670259072

Language:: German

Additional Notes:: Bände 1-3,2 erschienen von 1922-1940

Document type:: Multivolume work

Volume

Persistent identifier:: 1670273296

Author:: Meyer, Hans

Title:: Nachweis und Bestimmung organischer Verbindungen

Sub title:: mit 11 Abbildungen

Scope:: XII, 426 Seiten

Type of content:: Lehrbuch

DOI:: 10.14463/KXP:1670273296

Year of publication:: 1933

Place of publication:: Berlin

Publisher of the original:: Verlag von Julius Springer

Identifier (digital):: 1670273296

Illustration:: Illustrationen

Signature of the source:: a 368(2)

Language:: German

Usage licence:: Public Domain Mark 1.0

Publisher of the digital copy:: Technische Informationsbibliothek Hannover

Place of publication of the digital copy:: Hannover

Year of publication of the original:: 2019

Document type:: Volume

Collection:: Chemistry

Chapter

Title:: 142. Margarinsäure, n-Heptadecylsäure, Daturinsäure.

Document type:: Multivolume work

Structure type:: Chapter

Contents

Table of contents

Full text

     
  
— 118 — 
das Palmitat. Myristinsaures Kalium bleibt noch bei Zimmertemperatur in 
Lösung. Die Trennung ist nicht quantitativ. ; 
Von Ölsäure S. 119. 
Bestimmung durch 7'tration in alkoholischer Lösung‘. 
Als Bleisalz S.7. F. des Bleisalzes 112°2, 
C,,H,,0, M.G.256 
C 75,0% 
H 12,5% 
  
  
  
  
  
142. Margarinsäure, n-Heptadecylsäure, Daturinsäure. 
Cy, H,,0, = CH,[CH,],,CO0H. 
Dünne Platten?, P. 60,5° (korr.). Aus Petroläther*. Kp.100 227°5. 
Nachweis. Zinksalz. Mikrosko- 
pische Nadeln, F. 126,6° (aus Al- 
kohol). Fast unlóslich bei Zimmer- 
temperatur in abs. Alkohol. (Bóm- 
Schmelzpunkte von Margarinsäure- 
Palmitinsáure-Gemischen?*. 
  
  
  
  
Margarinsäure Palmitinsäure Schmelzpunkt MER, LIMPRICHT 1) 
% | % pe nc Magnesiumsalz?. F. 137—142° 
100 | 0 59,5 (aus Alkohol). 
83,7 | 16,3 56-56 Methylester3 7. Nadeln, F.30° (aus 
72,0 28,0 54,5—56 d 
63.1 36,9 345-555 verd. Alkohol), Kp.,184—187°8, 
50,0 50,0 | 56—57,5 Athglester?. P. 27,5°. 
30,8 69,2 58,5— 59,5 Athylenglykolheptadecylat? 
2o o So CO CH;[CH,],,COOCH,CH;OH. 
Mit Glykol bei 180°. Schuppen, 
F. 53,2° (aus verd. Alkohol). 
Athylenglykoldiheptadecylat? C,,Hz,0,. Platten, F. 70,4? (aus verd. Alkohol). 
p-Bromphenacylester?. F. 78,2? (aus 95proz. Alkohol). 
p-Jodphenacylester?. FP. 88,8? (aus 95proz. Alkohol). 
Bestimmung durch 7"'itration in üblicher Weise !9, 
  
C,,H,,0, M.G.270 
C 75,6% 
H 12,6% 
  
  
  
  
143. Stearinsäure. 
C,H4,0, — CH,[CH,],,COOH. 
Blättchen, F. 71,5—72?!! (aus Alkohol), Kp.,9, 291? (korr.) 2, K.,; 238? 3, 
K.9535 108—160? M, 
! Kawrrz: B. 36, 402 (1903). — PARTHEIL, FERIÉ: Arch. 241, 554 (1003). — SCHWARZ: 
Z. off. 1905, 301. — Conn: B. 38, 3781 (1905). — Horpz, Scuwanz: B. 40, 88 (1907). — 
Bisuopr, KITTREDGE, HILDEBRAND: Am. soc. 44, 135 (1922). 
2 NEAVE: Analyst 37, 399 (1912) 
3 RUTTAN: Eigth int. Congr. appl. Chem. 25, 431 (1913). 
* LE SUEUR: Soc. 85, 836 (1904). — BOMER, LimpricHT: Z. Nahr. 23, 641 (1912). 
95 KnarrT: B. 12, 1672 (1879). 6 HAns MEYER, BEER: M. 33, 329 (1912). 
* HANS MEYER, Eckznr: M. 31, 1240 (1910). 8 Lipp, Kovacs: J. pr. (2) 99, 253 (1919). 
9 JUDEFIND, REID: Am. soc. 42, 1055 (1920). 10 Hans MEYER, BEER: M. 33, 327 (1912). 
11 WAGNER, MUESMANN, LAMPART: Z. Nahr. 28, 244 (1914). — Sa1zEw: Russ. 17, 425 (1885). 
12 Krarrt: B. 16, 1722 (1883). 13 PARTHEIL, FERIÉ: Arch. 241, 551 (1903). 
14 E. FrscHER, HanniEs: B. 35, 2162 (1902). 
  
   
  
     
  
   
    
   
   
     
       
       
     
     
    
       
    
  
   
    
   
   
  
  
  
  
  
  
  
  
  
   
   
    
  
    
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114

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