Anthracen, tr. and ed. by W. Crookes1877 |
Результаты поиска по книге
Результаты 1 – 5 из 33
Стр. 45
Gustav Auerbach sir William Crookes. in solution is obtained by evaporating the disulphide of carbon . It is very ... aqueous potassa acts at the boiling- point upon bibromanthracen , but the former decomposes it at 160-170 ° in a sealed ...
Gustav Auerbach sir William Crookes. in solution is obtained by evaporating the disulphide of carbon . It is very ... aqueous potassa acts at the boiling- point upon bibromanthracen , but the former decomposes it at 160-170 ° in a sealed ...
Стр. 48
... in the water - bath , and a concentrated aqueous solution of to part of hydrate of potassa is added . The colourless mass is immediately converted into yellow tetrabromanthracen , with a great in- crease of volume . In its properties it ...
... in the water - bath , and a concentrated aqueous solution of to part of hydrate of potassa is added . The colourless mass is immediately converted into yellow tetrabromanthracen , with a great in- crease of volume . In its properties it ...
Стр. 58
... aqueous alkalis and ammonia . Methylanthracen sublimes in large beautiful ... solution is mixed with water , in order to obtain the residue of the ... in fine golden yellow needles , which sublime in large 58 ANTHRACEN . Dibrommethylanthracen.
... aqueous alkalis and ammonia . Methylanthracen sublimes in large beautiful ... solution is mixed with water , in order to obtain the residue of the ... in fine golden yellow needles , which sublime in large 58 ANTHRACEN . Dibrommethylanthracen.
Стр. 72
... in a combustion - tube closed at one end , and a layer of zinc - powder filled in ... solution of pure , almost colourless , anthraquinon ( obtained by means of ... aqueous potassa . In this operation , however , by far the larger part of ...
... in a combustion - tube closed at one end , and a layer of zinc - powder filled in ... solution of pure , almost colourless , anthraquinon ( obtained by means of ... aqueous potassa . In this operation , however , by far the larger part of ...
Стр. 75
... solution with aqueous potassa , and is insoluble in this reagent . It is anthraquinon . Care must be taken not to ... aqueous potassa , the liquid becomes red even in the cold . The action is completed by heating for a few minutes to 100 ...
... solution with aqueous potassa , and is insoluble in this reagent . It is anthraquinon . Care must be taken not to ... aqueous potassa , the liquid becomes red even in the cold . The action is completed by heating for a few minutes to 100 ...
Часто встречающиеся слова и выражения
acetic ether alcohol alcoholic solution alizarin alkali ammonia anthra anthracen anthracendihydride anthraflavic acid anthraquinon aqueous solution baryta barytic salt benzol bibromanthracen bisulphide of carbon blue bromine brown cent Centralblatt Chem chloride chromic acid chrysammic acid chrysophanic acid cold colouring matter compound concentrated sulphuric acid converted Crown 8vo crystallisation from alcohol crystals decomposed deposited deutsch dilute dinitroanthraquinon dissolves distillation dried Edition ether evaporation filtered filtrate flocks formation formed formula Gesellsch glacial acetic acid Graebe and Liebermann grms heated hydrate of potassa hydriodic acid hydrocarbon hydrochloric acid hydroxyls insoluble isopurpurin lime liquid madder mass melting melting-point methylanthracen mixture mordants naphthalin nitric acid obtained oxidation oxidising agents oxyanthraquinon Pharm phthalic acid potash powder precipitate purified purpurin quinon reaction readily soluble red colour residue Schunck Schützenberger soda soluble in alcohol soluble in water sparingly soluble sublimes substance sulpho-acids sulphuric acid temperature tion whilst Woodcuts yellow colour yellow needles yields
Популярные отрывки
Стр. 21 - Homes without Hands ; a Description of the Habitations of Animals, classed according to their Principle of Construction. By Rev. JG Wood, MA With about 140 Vignettes on Wood. Szo. l^s. Strange Dwellings ; a Description of the Habitations of Animals, abridged from ' Homes without Hands
Стр. 10 - Letters and Life of Francis Bacon, including all his Occasional Works. Collected and edited, with a Commentary, by J. SPEDDING. 7 vols. 8vo. ,£4. 4*.
Стр. 18 - The Orbs Around Us; a Series of Familiar Essays on the Moon and Planets, Meteors and Comets, the Sun and Coloured Pairs of Suns. By RA Proctor, BA Second Edition, with Chart and 4 Diagrams. Crown &vo. "]s. 6d. Other Worlds than Ours; The Plurality of Worlds Studied under the Light of Recent Scientific Researches.
Стр. 16 - A GREEK-ENGLISH LEXICON. Compiled by HG LIDDELL, DD Dean of Christ Church, and R. SCOTT, DD Dean of Rochester.
Стр. 34 - The Alpine Club Map of Switzerland, with parts of the Neighbouring Countries, on the scale of Four Miles to an Inch. Edited by RC NICHOLS, FRGS In Four Sheets in Portfolio, price 42$. coloured, or 34^.
Стр. 3 - STUDENT'S MANUAL of the HISTORY of INDIA, from the Earliest Period to the Present.
Стр. 19 - Ganot's Natural Philosophy for General Readers and Young Persons ; a Course of Physics divested of Mathematical Formula and expressed in the language of daily life.
Стр. 18 - A New Star Atlas, for the Library, the School, and the Observatory, in 12 Circular Maps (with 2 Index Plates). By RA PROCTOR, BA Crown 8vo.
Стр. 22 - BIBLE ANIMALS ; a Description of every Living Creature mentioned in the Scriptures, from the Ape to the Coral.
Стр. 17 - A GENERAL DICTIONARY of GEOGRAPHY, Descriptive, Physical, Statistical, and Historical : forming a complete Gazetteer of the World. By A. KEITH JOHNSTON, LL.DFRGS Revised Edition.