An Introduction to the Chemistry of Plant Products volume 1
An Introduction to the Chemistry of Plant Products volume 1
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In our eReader you can find the full English version of the book. Read An Introduction to the Chemistry of Plant Products volume 1 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 An Introduction to the Chemistry of Plant Products volume 1
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3. Ammonium hydrate in small quantities removes the fluorescence; in excess, a yellowish-brown coloration results.
4. Caustic soda or potash in small quantities causes the red colour to disappear, the solution turning opalescent and yellowish-brown in colour ; on standing, a brownish precipitate comes down.
5. The solution is immediately decolorized by bleaching powder, bromine water or a solution of iodine in potassium iodide.
6. Mercuric chloride solution in small quantities gives a lilac-gre...y precipitate, the solution then being yellowish in colour.
* See Section VIII. , on the Colloidal State. 17 258 PIGMENTS 7. Ferric chloride gives a pinkish-brown precipitate.
8. Boiled with nitric acid a yellow colour results which turns to orange on adding an excess of ammonia.
9. Boiled with Millon's reagent a deep red colour results.
10. The addition of a caustic soda solution followed by a drop or two of dilute copper sulphate gives a greenish tint.
11. Digestion with pepsin, in the presence of hydrochloric acid, has no result.
What to read after An Introduction to the Chemistry of Plant Products volume 1?
You can find similar books in the "Read Also" column, or choose other free books by Paul Haas to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
3. Ammonium hydrate in small quantities removes the fluorescence; in excess, a yellowish-brown coloration results.
4. Caustic soda or potash in small quantities causes the red colour to disappear, the solution turning opalescent and yellowish-brown in colour ; on standing, a brownish precipitate comes down.
5. The solution is immediately decolorized by bleaching powder, bromine water or a solution of iodine in potassium iodide.
6. Mercuric chloride solution in small quantities gives a lilac-gre...y precipitate, the solution then being yellowish in colour.
* See Section VIII. , on the Colloidal State. 17 258 PIGMENTS 7. Ferric chloride gives a pinkish-brown precipitate.
8. Boiled with nitric acid a yellow colour results which turns to orange on adding an excess of ammonia.
9. Boiled with Millon's reagent a deep red colour results.
10. The addition of a caustic soda solution followed by a drop or two of dilute copper sulphate gives a greenish tint.
11. Digestion with pepsin, in the presence of hydrochloric acid, has no result.
What to read after An Introduction to the Chemistry of Plant Products volume 1?
You can find similar books in the "Read Also" column, or choose other free books by Paul Haas to read onlineMoreLess
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