Chemical News and Journal of Industrial Science, Tomy 3-4Chemical news office., 1861 |
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Strona 71
... copper which may be loosely attached to it removed by means of the wash - bottle ; the iron being carefully pre- served for subsequent examination . The copper having been once more rinsed with cold water , is now to be treated with ...
... copper which may be loosely attached to it removed by means of the wash - bottle ; the iron being carefully pre- served for subsequent examination . The copper having been once more rinsed with cold water , is now to be treated with ...
Strona 150
... copper are lost during the washing , for many samples of copper , when precipitated as sponge by zinc , are peculiarly liable to this accident . In regard to the assay which I have attempted to describe , I would remark , that I have ...
... copper are lost during the washing , for many samples of copper , when precipitated as sponge by zinc , are peculiarly liable to this accident . In regard to the assay which I have attempted to describe , I would remark , that I have ...
Strona 265
... copper in hydrochloric acid , and that he preferred the use of chlorate of potash , to avoid the delay of exposing the liquid to the air . Mr. RILEY remarked that he had found phosphorus and antimony in copper . The PRESIDENT inquired ...
... copper in hydrochloric acid , and that he preferred the use of chlorate of potash , to avoid the delay of exposing the liquid to the air . Mr. RILEY remarked that he had found phosphorus and antimony in copper . The PRESIDENT inquired ...
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acetate action adulterated alcohol alkaline alloy ammonia amount analysis aniline apparatus appears arsenic atmosphere blue body boiling bromine burn candle carbonic acid cent chemical CHEMISTRY chemists chloric acid chloride colouring matter combination combustion compound containing copper crystallised crystals decomposed decomposition dilute dissolved distilled effect employed ether evaporated experiments fact ferrocyanide filter flame gases give grains green heat hydrochloric acid hydrogen ignited impurities insoluble iodide iodine iron lead light lime lines liquid magnesia means mercury metal method mineral mixed mixture nitrate nitric acid nitrogen observed obtained ordinary oxide oxygen paper passed phosphoric acid phosphorus platinum portion potash potassium precipitate prepared present produced pure quantity reaction salt samples silver sodium soluble solution specimens spectrum starch steel substance sugar sulphate sulphide sulphuretted sulphuric acid surface tellurium temperature tion tube vapour vessel weight yellow zinc