Chemical Lecture Experiments: Non-metallic ElementsLongmans, Green, 1892 - 323 páginas |
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Página 16
... vapour resulting from the combustion will be carried away . When sufficient water is collected , it may be poured out into a test glass , and tested by dropping into it a small fragment of potassium . 24. To show the combination of ...
... vapour resulting from the combustion will be carried away . When sufficient water is collected , it may be poured out into a test glass , and tested by dropping into it a small fragment of potassium . 24. To show the combination of ...
Página 21
... vapour is then conducted into a porcelain tube , filled with frag- ments of pumice , and heated to redness in a furnace . Imme- diately before entering the hot tube the gases should be passed through an empty flask or Woulf's bottle ...
... vapour is then conducted into a porcelain tube , filled with frag- ments of pumice , and heated to redness in a furnace . Imme- diately before entering the hot tube the gases should be passed through an empty flask or Woulf's bottle ...
Página 29
... and a spiral of platinum wire , which has been heated by passing through a Bunsen flame , is lowered to within two or three centimetres of the ether . The mixture of ether vapour and air undergoes combustion upon the OZONE 29.
... and a spiral of platinum wire , which has been heated by passing through a Bunsen flame , is lowered to within two or three centimetres of the ether . The mixture of ether vapour and air undergoes combustion upon the OZONE 29.
Página 30
Non-metallic Elements George S. Newth. mixture of ether vapour and air undergoes combustion upon the platinum wire , and if a piece of moistened ozone paper be introduced into the cylinder the blue colour will instantly make its ...
Non-metallic Elements George S. Newth. mixture of ether vapour and air undergoes combustion upon the platinum wire , and if a piece of moistened ozone paper be introduced into the cylinder the blue colour will instantly make its ...
Página 38
... vapour . For this purpose a U - shaped eudiometer is employed ( fig . 34 ) , the closed limb of which has platinum wires fused in . The open limb is furnished with a branch stopcock tube near the bend . closed limb , which is graduated ...
... vapour . For this purpose a U - shaped eudiometer is employed ( fig . 34 ) , the closed limb of which has platinum wires fused in . The open limb is furnished with a branch stopcock tube near the bend . closed limb , which is graduated ...
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Términos y frases comunes
allowed ammonia apparatus B.Sc beaker bell-jar blown bromine bubble bulb burning caoutchouc tube carbon dioxide carbon disulphide centimetres long charcoal Chemistry chlorate chlorine coal-gas cock colour combustion condensed containing convenient cooled copper cork cork carrying Crown 8vo cubic centimetres cylinder delivery tube Diagrams dilute dipping dish dropping funnel drops electric Elementary ether evolved experiment filled fitted fragment freezing mixture funnel gases glass tube grams heated hydrobromic acid hydrochloric acid ignited Illustrations inflamed introduced iodide iodine lamp Liquefaction of Gases liquid magnesium means mercury metal metres millimetres nitric oxide nitrogen obtained oxygen paper passed peroxide phosphorus piece of caoutchouc piece of glass placed plate platinum wire potassium potassium chlorate poured pressure salt screen seen short piece show the action shown small flask small quantity sodium solution stopcock stoppered stream sulphur dioxide sulphuretted hydrogen sulphuric acid temperature tion vapour vessel volume Woodcuts Woulf's bottle
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