A Handbook of Chemical ManipulationJ. Van Voorst, 1857 - 580 pagina's |
Inhoudsopgave
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Overige edities - Alles bekijken
Veelvoorkomende woorden en zinsdelen
adapted alcohol alembic alkalies alluded ammonia analysis antimony aperture apparatus ascertain assay balance balloon baryta basin bath becomes bismuth blowpipe boiling boiling-point bottle bulb capable capsules carbon carbonic acid charcoal chemical chemist chloride condensed considerable constructed containing convenient cork crucible crystals cubic centimetres cupel density distillation enable equal evaporation experiments extremely filter flame flask fluid frequently funnel furnace fused glass grains heat high temperatures hydrochloric acid hydrometer ignition inches inserted instance instrument iron laboratory lamp latter liable liquid means mercury metal method mixture necessary neck nitric nitric acid obtained operation organic organic chemistry oxide pass piece placed platinum platinum crucible porcelain portion potash precipitate pressure prevent purpose quantity removed retort retort-stand ring salts screw seen silver soluble solution sometimes specific gravity substance sufficient sulphuric acid thermometer tion tube vapour vessel volatile washing weight
Populaire passages
Pagina 328 - ... cast-iron, exactly represented in figs. 646 and 647 ; while the basin U is fixed on a Fig. 646. plate which can be raised at will along the vertical support ZZ', by means of the toothed rack vw, which works with the toothed pinion o set in motion by the crank B. The ratchet r arrests the toothedracks and consequently keeps the basin U in any given position. A counterpoise affixed to the ratchet facilitates its working, and, as it is turned to one side or the other, the ratchet is thrown in or...