The Owens College Course of Practical Organic Chemistry
The Owens College Course of Practical Organic Chemistry
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In our eReader you can find the full English version of the book. Read The Owens College Course of Practical Organic Chemistry Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book The Owens College Course of Practical Organic Chemistry
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100 „ caustic soda.
160 „ water.
75 „ chloroform.
Fifty grms. phenol are dissolved in a solution of caustic soda containing 100 grms. caustic soda in 160 grms. water, and the whole introduced into a 1 litre round-bottomed flask provided with a reflux condenser, and then heated to 50—60°. 75 grms. chloroform Digitized by V^OOQIC 6o PRACTICAL ORGANIC CHEMISTRY.
are slowly added through the condenser, and after each addition the flask is well shaken. A gentle reaction sets in and the temperature r...ises. At the same time the surface of the brownish yellow solution takes a violet red tint, which rapidly fades, the liquid finally assuming a deep red colour. When the whole of the chloroform has been added the contents of the flask are boiled for \ hour without removing the condenser, and a yellow semi-solid mass separates out of the solution. The unattacked chloroform is now distilled off on the water-bath, the liquid diluted with water and strongly acidified with dilute hydrochloric or sulphuric acid.
What to read after The Owens College Course of Practical Organic Chemistry?
You can find similar books in the "Read Also" column, or choose other free books by Cohen, Julius B. (Julius Berend), 1859-1935 to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
100 „ caustic soda.
160 „ water.
75 „ chloroform.
Fifty grms. phenol are dissolved in a solution of caustic soda containing 100 grms. caustic soda in 160 grms. water, and the whole introduced into a 1 litre round-bottomed flask provided with a reflux condenser, and then heated to 50—60°. 75 grms. chloroform Digitized by V^OOQIC 6o PRACTICAL ORGANIC CHEMISTRY.
are slowly added through the condenser, and after each addition the flask is well shaken. A gentle reaction sets in and the temperature r...ises. At the same time the surface of the brownish yellow solution takes a violet red tint, which rapidly fades, the liquid finally assuming a deep red colour. When the whole of the chloroform has been added the contents of the flask are boiled for \ hour without removing the condenser, and a yellow semi-solid mass separates out of the solution. The unattacked chloroform is now distilled off on the water-bath, the liquid diluted with water and strongly acidified with dilute hydrochloric or sulphuric acid.
What to read after The Owens College Course of Practical Organic Chemistry?
You can find similar books in the "Read Also" column, or choose other free books by Cohen, Julius B. (Julius Berend), 1859-1935 to read onlineMoreLess
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