Elements of Chemistry: Theoretical and Practical, Parte2Green, Reader, and Dyer, 1864 |
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Página 17
... tube for delivering the gas : the salt fuses at a heat below redness , and at a temperature a little above its melting point emits a large quantity of gas , which may be collected in jars over water in the pneumatic trough , or it may ...
... tube for delivering the gas : the salt fuses at a heat below redness , and at a temperature a little above its melting point emits a large quantity of gas , which may be collected in jars over water in the pneumatic trough , or it may ...
Página 20
... tube fit a cork perforated with three or four holes for the ad- mission of air , and fasten to it a short piece of wax taper . To the other end of the tube adapt a cork , through which a short piece of tube , g , of about one - third of ...
... tube fit a cork perforated with three or four holes for the ad- mission of air , and fasten to it a short piece of wax taper . To the other end of the tube adapt a cork , through which a short piece of tube , g , of about one - third of ...
Página 21
... tube ; in about three minutes ' time close the stopcock of the aspirator ; the taper is instantly extinguished . Detach the tube c ; the glass A B , when cold , will weigh several grains heavier than before . At the ordinary temperature ...
... tube ; in about three minutes ' time close the stopcock of the aspirator ; the taper is instantly extinguished . Detach the tube c ; the glass A B , when cold , will weigh several grains heavier than before . At the ordinary temperature ...
Página 24
... tube into which a pair of platinum wires is sealed , with the points at a little distance apart : on con- necting one of the wires with the prime conductor of an elec- trical machine in good action , whilst the other wire is in con ...
... tube into which a pair of platinum wires is sealed , with the points at a little distance apart : on con- necting one of the wires with the prime conductor of an elec- trical machine in good action , whilst the other wire is in con ...
Página 25
... tube with tinfoil : over this tube he passes a second wider tube also coated with tinfoil , but on its outer surface ; between the two tubes , a current of pure dry oxygen is then transmitted , which becomes electrified by induction ...
... tube with tinfoil : over this tube he passes a second wider tube also coated with tinfoil , but on its outer surface ; between the two tubes , a current of pure dry oxygen is then transmitted , which becomes electrified by induction ...
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Otras ediciones - Ver todas
Términos y frases comunes
absorbed action alkalies aluminum ammonia ammonium anhydrous arsenic atmosphere atoms barium becomes bisulphide boiling bromine burns calcium carbonate of sodium carbonic anhydride carbonic oxide caustic charcoal chlorate chloric acid chloride chromium cobalt colour colourless combination combustion composition compound condensed contains converted cool copper crystalline crystals cyanogen decomposed decomposition deposited diluted dissolved distilled evaporation excess expelled flame formed fumes fused gaseous gases glass H₂ H₂O hydrate hydrate of potash hydrochloric acid hydrogen ignited insoluble iodide iodine iron lime liquid magnesium manganese mass melted mercury metal mixed mixture nitrate nitric acid nitrogen nitrous obtained odour oil of vitriol oxalate oxide oxygen peroxide phosphate phosphorus platinum potassium powder precipitate produced proportion protoxide pure red heat retort salt sesquioxide silica silicon silver small quantity sodium soluble in water solution sulphide sulphuretted hydrogen sulphuric acid sulphurous anhydride tellurium temperature tion tube vapour volatile volume weight whilst yellow zinc