Chemical News and Journal of Industrial Science, Tomy 3-4Chemical news office., 1861 |
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Strona 66
... zinc be added , an immediate precipitate takes place , of a pure white colour , showing that the sulphide of this metal is insoluble in tartaric and citric acids . The sepa- ration of zinc from cobalt and nickel cannot be accu- oxide of ...
... zinc be added , an immediate precipitate takes place , of a pure white colour , showing that the sulphide of this metal is insoluble in tartaric and citric acids . The sepa- ration of zinc from cobalt and nickel cannot be accu- oxide of ...
Strona 150
... zinc , are peculiarly liable to this accident . In regard to the assay which I have attempted to describe , I would remark , that I have used iron instead of zinc , simply because I was , at the time , unable to procure a sufficient ...
... zinc , are peculiarly liable to this accident . In regard to the assay which I have attempted to describe , I would remark , that I have used iron instead of zinc , simply because I was , at the time , unable to procure a sufficient ...
Strona 239
... zinc which is combining , and the hydrogen which is being uncombined . For instance , to take Favre and Silberman's determination of the heat in the presence of a large quantity of water of hydrogen combined with chlorine : we will call ...
... zinc which is combining , and the hydrogen which is being uncombined . For instance , to take Favre and Silberman's determination of the heat in the presence of a large quantity of water of hydrogen combined with chlorine : we will call ...
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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