The Chemical News and Journal of Physical Science, Volumes 25-26Griffin, Bohn and Company, 1872 |
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Page 8
... alizarine . Whether there are in the Rubia - root several glucosides which unfold themselves respectively into sugar and one of the colour - giving principles , or there is only one glucoside , and its colour - giving principle - as it ...
... alizarine . Whether there are in the Rubia - root several glucosides which unfold themselves respectively into sugar and one of the colour - giving principles , or there is only one glucoside , and its colour - giving principle - as it ...
Page 9
... alizarine is a mixture of alizarine with chlorogenine , and that this latter body can be separated by treating the mixture with a light oil of tar , having a boiling - point of 300 ° , which dissolves the chlorogenine . Alizarine is ...
... alizarine is a mixture of alizarine with chlorogenine , and that this latter body can be separated by treating the mixture with a light oil of tar , having a boiling - point of 300 ° , which dissolves the chlorogenine . Alizarine is ...
Page 10
... alizarine . This anthracene , C14H10 , gives anthrachinon , C14H8O2 , and this alizarine , C14H8O4 . The alkaline mass , on cooling , is dissolved in water , and sulphuric or acetic acid added in slight excess , when an orange - yellow ...
... alizarine . This anthracene , C14H10 , gives anthrachinon , C14H8O2 , and this alizarine , C14H8O4 . The alkaline mass , on cooling , is dissolved in water , and sulphuric or acetic acid added in slight excess , when an orange - yellow ...
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acetic acid acetic ether action alcohol alizarine alkali alumina amalgam ammonia amount analysis apparatus appears arsenic atomic weight baryta bismuth body boiling bromine carbonic acid cent charcoal CHEMICAL chemists chloric acid chloride codeia colour compound copper crystallisation crystals decomposed decomposition dilute dissolved distilled ether ethyl evaporation experiments Extract ferric filtered flask fluid following original papers formed formula give heat hydrate hydrochloric acid hydrogen insoluble iodide iodine iron isomeric Laboratory lime liquid manufacture matter mercury metal method mineral mixture molecules nitrate nitric acid nitrogen number contains observed obtained ordinary oxide oxidised oxygen papers and memoirs phosphate phosphoric acid phosphorus portion potash potassa potassium precipitate prepared present produced pure quantity reaction relating to chemistry researches Royal salt silicate silver Society soda sodium soluble solution substance sugar sulphate sulphide sulphuric acid temperature tion treated tube vapour yields zinc