Introduction to Chemical Technical Analysis
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In our eReader you can find the full English version of the book. Read Introduction to Chemical Technical Analysis 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 Introduction to Chemical Technical Analysis
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To quickly assess the difficulty of the text, read a short excerpt:
Lately, however, hard potash soaps (Schicht's patent) have appeared. For many industrial purposes, substances such as rosin (rosin soaps), borax, water-glass, sodium alumin- ate, soda (to increase alkalinity), are added to soaps. Further- more, adulterants, such as chalk, heavy spar, starch, clay, etc. , etc. , are frequently encountered.
Analysis of Pure Soaps.
These may contain, beside the alkali salts of fatty acids, free alkali, alkaline carbonates, free fatty acids and neutral fats. * In a...d- dition, a considerable quantity of water is always present.
(a) Water. About 5 grs. Of soap, removed from the center, in form of shavings, are dried at 50 for 1-2 hours. The temper- ature is then gradually raised to 100-110 and the soap is dried to constant weight.
Soft soaps are placed in a 100 c. C. Beaker containing a small gl^ss rod, and the bottom of which is covered 1. 3 cm. Deep with ignited quartz sand. Beaker + sand + rod are weighed, f About 5 grs. Soap are added and the whole is reweighed.
What to read after Introduction to Chemical Technical Analysis?
You can find similar books in the "Read Also" column, or choose other free books by F Ulzer to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Lately, however, hard potash soaps (Schicht's patent) have appeared. For many industrial purposes, substances such as rosin (rosin soaps), borax, water-glass, sodium alumin- ate, soda (to increase alkalinity), are added to soaps. Further- more, adulterants, such as chalk, heavy spar, starch, clay, etc. , etc. , are frequently encountered.
Analysis of Pure Soaps.
These may contain, beside the alkali salts of fatty acids, free alkali, alkaline carbonates, free fatty acids and neutral fats. * In a...d- dition, a considerable quantity of water is always present.
(a) Water. About 5 grs. Of soap, removed from the center, in form of shavings, are dried at 50 for 1-2 hours. The temper- ature is then gradually raised to 100-110 and the soap is dried to constant weight.
Soft soaps are placed in a 100 c. C. Beaker containing a small gl^ss rod, and the bottom of which is covered 1. 3 cm. Deep with ignited quartz sand. Beaker + sand + rod are weighed, f About 5 grs. Soap are added and the whole is reweighed.
What to read after Introduction to Chemical Technical Analysis?
You can find similar books in the "Read Also" column, or choose other free books by F Ulzer to read onlineMoreLess
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