Philosophical MagazineTaylor & Francis, 1807 - Physics |
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Page 39
... Cinchona * . 1. 122 grammes ( 4 ounces ) of this cinchona , infused for 24 hours in two litres of water at 12 ° ( 60 ° Fahr . ) , commu- nicated a yellow colour to the water , a very bitter and slightly astringent taste . 2. This ...
... Cinchona * . 1. 122 grammes ( 4 ounces ) of this cinchona , infused for 24 hours in two litres of water at 12 ° ( 60 ° Fahr . ) , commu- nicated a yellow colour to the water , a very bitter and slightly astringent taste . 2. This ...
Page 43
... cinchona and in tan : but these infusions , thus mutually precipitated , still precipi- tate abundantly the solution of glue ; whence again it fol- lows , that the principle which in these two cinchonas preci- pitates glue is not the ...
... cinchona and in tan : but these infusions , thus mutually precipitated , still precipi- tate abundantly the solution of glue ; whence again it fol- lows , that the principle which in these two cinchonas preci- pitates glue is not the ...
Page 50
... cinchona turbid . This differs from the Loxa cinchona , and , it would seem , does not possess the properties of a febrifuge in any remarkable de- gree . Fifteenth Species . - Common Cinchona of Peru . This species is gray externally ...
... cinchona turbid . This differs from the Loxa cinchona , and , it would seem , does not possess the properties of a febrifuge in any remarkable de- gree . Fifteenth Species . - Common Cinchona of Peru . This species is gray externally ...
Contents
CONTENTS | 3 |
Account of the Success of the American Expedition | 13 |
Description of a Compound Gasometer for Purposes | 34 |
Copyright | |
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afterwards alkali angle animal antient appeared ascertain bark barytes bodies carbonic acid chemical cinchona Cloudy coal coffee colour common contained crystals degree dissolved distilled water effect electricity employed equal evaporation experiments extract Fair fluid formed gallic acid Galvanic glass gold grains green heat hydrogen hygrometer inches infusion inoculation instrument intervals iron JEROME DE LALANDE JOHN FAREY laminæ lava less leucites light lime liquor major thirds manner matter means memoir ments metallic method mixture muriatic acid nature negative nitrate nitric acid object observations obtained opinion oxygen phænomena pieces plates pole potash precipitate present principle produced proportion quantity rays remarkable resinous respect Royal salt schorls similar small-pox Society soda solution species stance substance sulphate sulphuric acid surface tannin taste tion tooth tube turnsole vaccination vegetable vessels violet volcanoes wire yellow