Chemical News and Journal of Industrial Science, Tomy 3-4Chemical news office., 1861 |
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Strona 171
... lines , " from the name of the discoverer . What do these lines show ? They show us that in the sun's light , certain kinds of rays are absent , and as these black lines are always present in exactly the same position , we see that ...
... lines , " from the name of the discoverer . What do these lines show ? They show us that in the sun's light , certain kinds of rays are absent , and as these black lines are always present in exactly the same position , we see that ...
Strona 305
... lines of Fraunhofer could , in most cases , be traced across the vapour spectrum , furnishing exact points of comparison between the two . By increasing the depth of the coloured stratum , we increase the strength and number of the lines ...
... lines of Fraunhofer could , in most cases , be traced across the vapour spectrum , furnishing exact points of comparison between the two . By increasing the depth of the coloured stratum , we increase the strength and number of the lines ...
Strona 129
... lines of the 30th band we were unable to see , at least with any degree of certainty ; still , from indica- tions , we have no doubt they are ruled as stated by Nobert . ths and ths of other eminent however , of the illumination , these ...
... lines of the 30th band we were unable to see , at least with any degree of certainty ; still , from indica- tions , we have no doubt they are ruled as stated by Nobert . ths and ths of other eminent however , of the illumination , these ...
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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