Chemical Lecture Experiments: Non-metallic ElementsLongmans, Green, 1892 - 323 páginas |
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Página 4
... on a smaller sca'.he employing a platinum tube about 16 or 18 centimetres long ong . with small ' brads , ' and heated by two Bunsens side by piece better by a flat - flame Bunsen . The ends 4 CHEMICAL LECTURE EXPERIMENTS.
... on a smaller sca'.he employing a platinum tube about 16 or 18 centimetres long ong . with small ' brads , ' and heated by two Bunsens side by piece better by a flat - flame Bunsen . The ends 4 CHEMICAL LECTURE EXPERIMENTS.
Página 19
... side with either shellac or photographic varnish . These strips are then placed in a suitable cell containing water acidulated with sulphuric acid , and an image of them projected upon the screen . On passing the current from two ...
... side with either shellac or photographic varnish . These strips are then placed in a suitable cell containing water acidulated with sulphuric acid , and an image of them projected upon the screen . On passing the current from two ...
Página 20
... sides should be so arranged that the strips will curl up in opposite directions . OXYGEN METHODS OF PREPARATION end 30. From mercuric oxide . Hg0 = Hg + 0 . A piece of com- bustion tube closed at one end is bent so as to produce an ...
... sides should be so arranged that the strips will curl up in opposite directions . OXYGEN METHODS OF PREPARATION end 30. From mercuric oxide . Hg0 = Hg + 0 . A piece of com- bustion tube closed at one end is bent so as to produce an ...
Página 31
... side at about 30 millimetres from one end , and extending along the inside of the tube nearly to the other end . A second platinum wire is wound as a spiral round the outside of the tube over its entire length , but ending a few ...
... side at about 30 millimetres from one end , and extending along the inside of the tube nearly to the other end . A second platinum wire is wound as a spiral round the outside of the tube over its entire length , but ending a few ...
Página 32
... side tube is blown into the tube . A second piece of glass tube of the same length , with thin walls , and of such a diameter that it will go inside the other tube , leaving a space of 2 millimetres all round 32 CHEMICAL LECTURE ...
... side tube is blown into the tube . A second piece of glass tube of the same length , with thin walls , and of such a diameter that it will go inside the other tube , leaving a space of 2 millimetres all round 32 CHEMICAL LECTURE ...
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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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