The preparation & mounting of microscopic objectsHardwicke, 1863 |
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Page 31
... boil for some minutes . From time to time a drop of the mixture may be put upon a slide , and examined under the microscope to see if all foreign matter be got rid of . When the valves are clean , the vessel containing them must be ...
... boil for some minutes . From time to time a drop of the mixture may be put upon a slide , and examined under the microscope to see if all foreign matter be got rid of . When the valves are clean , the vessel containing them must be ...
Page 32
... boil for some minutes by aid of the lamp . When cool and the particles have sub- sided , decant the hydrochloric and add nitric acid . The boiling must then be repeated until a drop of the liquid when placed under the microscope shows ...
... boil for some minutes by aid of the lamp . When cool and the particles have sub- sided , decant the hydrochloric and add nitric acid . The boiling must then be repeated until a drop of the liquid when placed under the microscope shows ...
Page 34
... boiled only a few minutes in nitric acid ; but the more general plan where they are mixed with organic or other foreign matter , is to boil them in pure sulphuric acid until they cease to grow darker in colour ( usually from a half to ...
... boiled only a few minutes in nitric acid ; but the more general plan where they are mixed with organic or other foreign matter , is to boil them in pure sulphuric acid until they cease to grow darker in colour ( usually from a half to ...
Page 35
... boiling glass or test - tube , and — the water being carefully decanted - boiled in the smallest available quantity of nitric acid , and washed as before . This last process has been found necessary from the fre- quent appearance of ...
... boiling glass or test - tube , and — the water being carefully decanted - boiled in the smallest available quantity of nitric acid , and washed as before . This last process has been found necessary from the fre- quent appearance of ...
Page 36
... boiling solution of carbonate of soda to disintegrate them ; but this operation requires great care , lest the alkali should destroy the diatoms . Vegetable silicates also sometimes require to be removed by a solution of carbonate of ...
... boiling solution of carbonate of soda to disintegrate them ; but this operation requires great care , lest the alkali should destroy the diatoms . Vegetable silicates also sometimes require to be removed by a solution of carbonate of ...
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Common terms and phrases
acid Algæ allowed amongst animal archegonia beautiful objects benzole betwixt boiling bottle bubbles camel-hair pencil Canada balsam cells cement chloroform clean cloth colour contains crystals described in Chapter diameter Diatomaceæ diatoms dissection dissolved drachm dried drop edge EDWIN LANKESTER employed examined Fcap fluid Foraminifera forceps glass slide glycerine gold-size gutta-percha heat illustrated immersed inch injected injured interesting JOHN BLACKWALL laid LANKESTER larvæ matter mentioned method microscope microscopist minute mode mounted dry mounted in balsam naphtha necessary needle nitric acid object-glass obtained opaque ordinary ounces paper perfectly piece placed plants plate polariscope portion potash prepared preservative liquids pressure procured purpose quantity readily recommended removed render ring ROBERT HARDWICKE sections soaking solution sometimes specimens spores student substance surface syringe thick thin glass cover transparent treatment tube turpentine various varnish vessel warm washed whilst WILHELM HOFMEISTER wood
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