Chemical News and Journal of Industrial Science, Tomy 5-6Chemical news office., 1862 |
Z wnętrza książki
Wyniki 1 - 3 z 79
Strona 34
... called the angle of incidence ; the angle inclosed between the refracted ray and the perpendicular is called the angle of refraction . However these angles may vary in size , there is for each individual substance a fixed relationship ...
... called the angle of incidence ; the angle inclosed between the refracted ray and the perpendicular is called the angle of refraction . However these angles may vary in size , there is for each individual substance a fixed relationship ...
Strona 76
... called complementary colours - The spectrum extends in both directions further than we can see it - The eye often receives the impression of colour where no colour really exists - The eyes of many people are blind to certain colours ...
... called complementary colours - The spectrum extends in both directions further than we can see it - The eye often receives the impression of colour where no colour really exists - The eyes of many people are blind to certain colours ...
Strona 166
... called erythric acid , but which was subsequently called , by Wöhler and Liebig , alloxan . In 1818 , Dr. Prout found that the latter substance gave , when in contact with ammonia , a beautiful purple red colour , which he called ...
... called erythric acid , but which was subsequently called , by Wöhler and Liebig , alloxan . In 1818 , Dr. Prout found that the latter substance gave , when in contact with ammonia , a beautiful purple red colour , which he called ...
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
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