A course of practical chemistry, arranged for the use of medical students1869 |
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Página 40
... ignition over an argand burner , & c . , according to circumstances . A washed pre- cipitate retained in its filter and funnel may often be quickly Fig . 27 . dried by supporting the fun- nel on a broken beaker or short lamp - glass ...
... ignition over an argand burner , & c . , according to circumstances . A washed pre- cipitate retained in its filter and funnel may often be quickly Fig . 27 . dried by supporting the fun- nel on a broken beaker or short lamp - glass ...
Página 54
... ignition . This charring indicates the presence of organic matter , -an organic acid or base , for instance , either free or in com- bination . Many bodies evolve a more or less marked smell when heated . Thus sulphur and many sulphides ...
... ignition . This charring indicates the presence of organic matter , -an organic acid or base , for instance , either free or in com- bination . Many bodies evolve a more or less marked smell when heated . Thus sulphur and many sulphides ...
Página 56
... ignition , the salts of sodium impart a bright yellow , and those of potassium a violet colouration to the blowpipe flame . These colours are best seen by taking up a minute quantity of the salt upon the end of a platinum wire , and ...
... ignition , the salts of sodium impart a bright yellow , and those of potassium a violet colouration to the blowpipe flame . These colours are best seen by taking up a minute quantity of the salt upon the end of a platinum wire , and ...
Página 57
... ignition a white infusible residue ; while the stannic , silicic , and antimonic oxides are from the first infusible . During strong ignition the aluminum residue manifests an in- tense white incandescence , the zinc residue a deep ...
... ignition a white infusible residue ; while the stannic , silicic , and antimonic oxides are from the first infusible . During strong ignition the aluminum residue manifests an in- tense white incandescence , the zinc residue a deep ...
Página 58
... ignition with nitrate of cobalt , those of calcium and strontium becoming grey , that of barium reddish - grey , those of the stannic and silicic anhydrides bluish - grey , and that of antimony greenish- grey ; but these substances may ...
... ignition with nitrate of cobalt , those of calcium and strontium becoming grey , that of barium reddish - grey , those of the stannic and silicic anhydrides bluish - grey , and that of antimony greenish- grey ; but these substances may ...
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A Course of Practical Chemistry, Arranged for the Use of Medical Students William 1829-1921 Odling Sin vista previa disponible - 2016 |
Términos y frases comunes
acetic acid acid solution added addition alkaline ammonia anhydride antimony aqueous arsenic arsenic acid atom barium bead bismuth blowpipe blowpipe flame blue boiling brown cadmium calcium carbonate of sodium charcoal chlorate chloric acid chloride cipitate Cl₂ cobalt colour compounds containing copper Crown 8vo crystalline cyanide deposit dilute dissolved Edition effervescence evaporated examined excess of potash filter filtrate flask fused glass H₂O heated hydrate hydrochloric acid hydrogen ignition incrustation insoluble in water iodide iron lead liquid magnesium manganese mercury metals moistened neutral neutralised nickel nitrate nitrate of silver nitric acid oxalate of calcium oxalic acid oxide perchloride peroxide phosphate piece potassium powder presence quantity reaction readily soluble reagent recognised residue shown in fig silicic sodium solid soluble soluble in excess strontium strychnia sublimate substance sulphate sulphide of ammonium sulphuretted hydrogen sulphuric acid sulphydric tartaric acid tartrate tube urine vapour weight white precipitate Woodcuts zinc
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