Търсене Изображения Карти Play YouTube Новини Gmail Диск Още »
Вход
Книги Книги
" ... parts of water : add an equal volume of 70 per cent, alcohol ; let the mixture stand for a couple of days, and then filter. Specimens may be left in borax-carmine for from one to twenty-four hours, or even for two or three days : on removal they should... "
Yearbook of Pharmacy: Comprising Abstracts of Papers Relating to Pharmacy ... - Страница 158
1895
Пълен достъп - Информация за книгата

Quarterly Journal of the Chemical Society of London, Том 66, Част 2

Chemical Society (Great Britain) - 1894 - 686 страници
...the oil and mercuric chloride, a derivative of the composition CaHjaO^HgCl is obtained, crystallising in tufts of colourless needles, soluble in cold chloroform...evaporating. Decomposition of the oil with concentrated alkalis gives rise to numerous products, of which, however, normal butyric and caprylic acids only...

Journal of the Chemical Society, Том 76, Част 1

Chemical Society (Great Britain) - 1899 - 986 страници
...is formed when orthamidodiphenylamine hydrochloride dissolved in the smallest possible quantity of alcohol to which a few drops of hydrochloric acid have been added, is mixed with 3'-acetamido-l : 2naphthaquinone suspended in alcohol and the mixture warmed on the water-bath...

The Quarterly Journal of Science, Том 8

1871 - 598 страници
...solvent to extract them from the 1871-] Various Tints of Autumnal Foliage. 75 leaves is moderately strong alcohol, to which a few drops of hydrochloric acid have been added. Since they are almost insoluble in hot neutral alcohol, it is well to digest the leaves first in it,...

Chemical News and Journal of Industrial Science, Томове 23–24

1871 - 664 страници
...colours are soluble in water, the proper solvent to extract them from the leaves is moderately strong alcohol, to which a few drops of hydrochloric acid have been added. Since they are almost insoluble in hot neutral alcohol, it is well to digest the leaves first in it,...

Quarterly Journal of Science, and Annals of Mining, Metallurgy ..., Том 8

James Samuelson, William Crookes - 1871 - 616 страници
...colours are soluble in water, the proper solvent to extract them from the leaves is moderately strong alcohol, to which a few drops of hydrochloric acid have been added. Since they are almost insoluble in hot neutral alcohol, it is well to digest the leaves first in it,...

The Frog: An Introduction to Anatomy and Histology

Arthur Milnes Marshall - 1885 - 126 страници
...even for two or three days : on removal they should be placed in acid-alcohol — ie, 70 per cent, alcohol to which a few drops of hydrochloric acid have been added — until they become a bright scarlet colour, when they should be transferred to 70, and then to 90...

Practical Pathology: An Introduction to the Practical Study of Morbid ...

John Lindsay Steven - 1887 - 298 страници
...finest capillary vessels. When the injection is completed the organ should be placed for 24 hours in alcohol, to which a few drops of hydrochloric acid have been added to prevent undue diffusion of the colour, and, at the end of this time, it may be hardened for microscopic...

The Frog: An Introduction to Anatomy, Histology and Embryology

Arthur Milnes Marshall - 1894 - 188 страници
...even for two or three days : on removal they should be placed in acid-alcohol — ie, 70 per cent, alcohol to which a few drops of hydrochloric acid have been added — until they become a bright scarlet colour, when they should bo transferred to 70, and then to 90...

Practical Methods in Microscopy

Charles Herbert Clark - 1896 - 296 страници
...the celloidin on the sections. 6. Stain in dilute Grenadier's Borax-Carmine. c. Place in 35 per cent alcohol to which a few drops of hydrochloric acid have been added. d. Place in 82 per cent alcohol. 8. Fix sections on slip with ether vapor or a small drop of ether...

Aberdeen University Studies, Брой 14

1905 - 96 страници
...a dehydrant. The diphenyldimethylcyc/opentenone melting at 128° is transformed, by warming it with alcohol to which a few drops of hydrochloric acid have been added, into the isomeride melting at 122° ; but an attempt to effect the reverse change by heating the latter...




  1. Моята библиотека
  2. Помощ
  3. Разширено търсене на книги
  4. Изтегляне във формат ePub
  5. Изтеглете PDF файл