Chemical News and Journal of Industrial Science, Tomy 5-6Chemical news office., 1862 |
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Strona 220
... portion of the spectrum the positions of the dark lines which it con- tains , going from line to line , just as a carpenter measures a room with a two - foot rule . Making his measurements in this way , Kirchhoff drew representations of ...
... portion of the spectrum the positions of the dark lines which it con- tains , going from line to line , just as a carpenter measures a room with a two - foot rule . Making his measurements in this way , Kirchhoff drew representations of ...
Strona 300
... portion dried at the temperature of 60 ° F. was much the most soluble ; next in this respect was that dried at the sand bath heat , while the water bath tem- perature had rendered the powder still more insoluble . determined to be- To ...
... portion dried at the temperature of 60 ° F. was much the most soluble ; next in this respect was that dried at the sand bath heat , while the water bath tem- perature had rendered the powder still more insoluble . determined to be- To ...
Strona 353
... portion , containing the same amount of alkaloids as the preceding , was macerated twelve hours in fij . of acetic acid and f3ij . of water , then strained with pressure , and filtered . The resulting liquid was treated with equal ...
... portion , containing the same amount of alkaloids as the preceding , was macerated twelve hours in fij . of acetic acid and f3ij . of water , then strained with pressure , and filtered . The resulting liquid was treated with equal ...
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acetic acetic acid action alcohol alkaline alumina ammonia analysis aniline apparatus appears atmosphere beautiful blue body boiling bromine brown carbonic acid cent charcoal chemical Chemistry chemists chloride coal colouring matter composition compound containing copper crystallised crystals dilute dissolved distilled electric employed Ether sol ethylamine evaporated experiments filter flame flask gases glass grains grammes heat hydrochloric acid hydrogen Improvements insoluble iodine iron lecture light lime lines liquid London manufacture metal method mineral minutes mixed mixture nitrate nitric acid nitrogen observed obtained oxalic oxalic acid oxide oxygen paper passed phosphoric acid plants platinum portion potash potassium precipitate prepared present prism produced Professor proportion pure rays reaction residue rubidium salt silica silver soda sodium soil soluble solution specimens spectra spectrum strychnia substance sulphate sulphide sulphuric acid surface tartaric acid temperature thallium tion tube vapour yellow zinc