The Chemical News and Journal of Physical Science, Volumer 31-32Griffin, Bohn and Company, 1775 |
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Side 19
... copper on the other . With the chlorides of gold and of zinc no decomposition was produced . The apparatus consisted ... copper yielded a brilliant deposit of metallic copper on the negative surface and crystalline sulphide of but ...
... copper on the other . With the chlorides of gold and of zinc no decomposition was produced . The apparatus consisted ... copper yielded a brilliant deposit of metallic copper on the negative surface and crystalline sulphide of but ...
Side 21
... copper and furrowed with blende . The gangue is generally composed of sulphuret of iron mixed with sul- is silica , with a little fluor spar and chlorite . Traces of of sulphur is 45 per cent , with 3 per cent of copper , though ...
... copper and furrowed with blende . The gangue is generally composed of sulphuret of iron mixed with sul- is silica , with a little fluor spar and chlorite . Traces of of sulphur is 45 per cent , with 3 per cent of copper , though ...
Side 32
... copper with anhydrite ; that of the corresponding sul- phates and seleniates of magnesia , zinc , copper , cobalt , and iron ; the isosterism of several anhydrous double potassio - sulphates of the magnesian metals ; the equality of the ...
... copper with anhydrite ; that of the corresponding sul- phates and seleniates of magnesia , zinc , copper , cobalt , and iron ; the isosterism of several anhydrous double potassio - sulphates of the magnesian metals ; the equality of the ...
Side 33
... copper . 46. I now heated the sulphuric acid , in the U - tube desiccator attached to the pump , until it boiled . A little aqueous vapour was driven off ; the sharpness of the hammering of the mercury changed to a duller sound ; and on ...
... copper . 46. I now heated the sulphuric acid , in the U - tube desiccator attached to the pump , until it boiled . A little aqueous vapour was driven off ; the sharpness of the hammering of the mercury changed to a duller sound ; and on ...
Side 34
... copper boat in c were then heated to incipient fusion , and the whole was allowed to cool for some hours . The tube was then sealed off by applying a spirit - flame to the contracted part a ; the potash was then heated again , and the ...
... copper boat in c were then heated to incipient fusion , and the whole was allowed to cool for some hours . The tube was then sealed off by applying a spirit - flame to the contracted part a ; the potash was then heated again , and the ...
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acetic acid action adulterated alcohol aldehyd alkali alum alumina ammonia amount analysis aniline anthracen apparatus appears applied baryta Bill body boiling calcium carbonic acid cent CHEMICAL chemist Chemistry chloride chromic acid chrysene clause colour compound containing copper crystalline crystals decomposed decomposition dilute dissolved distilled ether evaporation experiments filter filtrate gases give glass heat hydrate hydrochloric acid hydrogen Improvements insoluble iodide iron liquid London magnesia magnetic manufacture matter mercury metallic method methyl milk mineral mixed mixture nitrate nitric acid nitrogen obtained ordinary oxalate oxide oxygen paper patent phosphate phosphate of lime phosphoric acid plane platinum potash potassium powder precipitate present produced proportion Public Analysts pure pyrites quantity residue salts sample sesquioxide silicates silver Society sodium solid soluble solution substance sugar sulphate sulphide sulphuric acid tartaric tartaric acid temperature tion tube washed weight whilst wine zinc
Populære avsnitt
Side 232 - No person shall, with the intent that the same may be sold in its altered state without notice, abstract from an article of food any part of it so as to affect injuriously its quality, substance, or nature...
Side 48 - Where any matter or ingredient not injurious to health has been added to the food or drug because the same is required for the production or preparation thereof as an article of commerce, in a state fit for carriage or consumption, and not fraudulently to increase the bulk, weight, or measure of the food or drug, or conceal the inferior quality thereof...
Side 89 - The person purchasing any article with the intention of submitting the same to analysis shall, after the purchase shall have been completed, notify to the seller or his agent selling the article his intention to have the same analysed by the Public Analyst, and shall offer to divide the article into three parts to be then and there separated, and each part to be marked and sealed, or fastened up in such manner as its nature will permit, and shall, if required to do so, deliver one of the parts to...
Side 123 - No person shall sell to the prejudice of the purchaser any article of food or any drug which is not of the nature, substance, and quality of the article demanded by such purchaser...
Side 286 - Introduction to Experimental Physics, Theoretical and Practical ; including Directions for Constructing Physical Apparatus and for Making Experiments.
Side 233 - ... to that effect, that he had no reason to believe at the time when he sold it that the article was otherwise, and that he sold it in the same state as when he purchased it...
Side 90 - If any such officer, inspector, or constable, as above described, shall apply to purchase any article of food or any drug exposed to sale, or on sale by retail on any premises or in any shop or stores, and shall tender the price for the quantity which he shall require for the purpose of analysis, not being more than shall be reasonably requisite...
Side 254 - No person shall, except for the purpose of compounding as hereinafter described, mix, colour, stain, or powder, or order or permit any other person to mix, colour, stain, or powder, any drug with any ingredient or material so as to affect injuriously the quality or potency of such drug, with intent that the same may be sold in that state...
Side 48 - Provided that no person shall be liable to be convicted under either of the two last foregoing sections of this Act in respect of the sale of any article of food or of any drug, if he shows to the satisfaction of the...
Side 89 - London and the liberties thereof, and in the rest of the metropolis by any rates or funds applicable to the purposes of the Act for the better local management of the metropolis, and...