A Course of Practical Chemistry Arranged for the Use of Medical StudentsHenry C. Lea, 1869 - 261 páginas |
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Página 71
... which are reducible to the metallic state ( 8 ) , and those which give a coloration to the borax bead ( ) , as shown in the following scheme : - BLOWPIPE EXAMINATION . a . Volatile . fusible . 2. SPECIAL REACTIONS . 71 Special reactions.
... which are reducible to the metallic state ( 8 ) , and those which give a coloration to the borax bead ( ) , as shown in the following scheme : - BLOWPIPE EXAMINATION . a . Volatile . fusible . 2. SPECIAL REACTIONS . 71 Special reactions.
Página 72
... bead . CHROMIUM Green MANGANESE Salts Salts MAGNESIUM . Amethyst LEAD IRON ARSENIC CALCIUM CALCIUM BISMUTH Yell'w - brown Oxides STRONTIUM STRONTIUM ANTIMONY COBALT Deep - blue Sulphides BARIUM BARIUM CADMIUM 1 NICKEL Chlorides Salts ...
... bead . CHROMIUM Green MANGANESE Salts Salts MAGNESIUM . Amethyst LEAD IRON ARSENIC CALCIUM CALCIUM BISMUTH Yell'w - brown Oxides STRONTIUM STRONTIUM ANTIMONY COBALT Deep - blue Sulphides BARIUM BARIUM CADMIUM 1 NICKEL Chlorides Salts ...
Página 74
... beads . Moreover , the temporary melting of hydrated salts in their water of crystallization must not be confounded with the permanent fusion at a red heat which characterizes the above - mentioned classes of salts . 7. Compounds of ...
... beads . Moreover , the temporary melting of hydrated salts in their water of crystallization must not be confounded with the permanent fusion at a red heat which characterizes the above - mentioned classes of salts . 7. Compounds of ...
Página 75
... bead , transparent when hot , opaque when cold : in this fused bead , silica , when strongly heated , will dissolve with effervescence , and , if in sufficient quan- tity , render it permanently transparent . 8. Compounds of silver ...
... bead , transparent when hot , opaque when cold : in this fused bead , silica , when strongly heated , will dissolve with effervescence , and , if in sufficient quan- tity , render it permanently transparent . 8. Compounds of silver ...
Página 76
... bead of white , moderately hard and malleable metal , with no incrustation . Tin , which is less easily reducible , yields a bead of white malleable metal , softer than silver , with very slight , if any , in- crustation . Lead yields a ...
... bead of white , moderately hard and malleable metal , with no incrustation . Tin , which is less easily reducible , yields a bead of white malleable metal , softer than silver , with very slight , if any , in- crustation . Lead yields a ...
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Términos y frases comunes
acetic acid acid solution acidified acidulated added addition albumen alkaline ammonia anhydride antimony aqueous arsenic arsenic acid barium bead blowpipe blowpipe flame boiling brown calcium calculi carbonate of sodium caustic charcoal chloric acid chloride cipitate cobalt color colorless compounds containing copper crystalline crystals deposit dilute dissolved drop edition effervescence evaporated to dryness examined extra cloth ferrocyanide filter filtrate flask glass globules heated hydrate hydro hydrochloric acid hydrogen ignition insoluble iodide large 8vo lead liquid magnesium manganese mercury metallic mixture moistened neutral nitrate nitrate of silver nitric acid opaque oxalic acid oxide peroxide phosphate piece potassium powder presence produced quantity readily soluble reagent residue royal 12mo salts shown in Fig solid solu soluble soluble in water stain strontium strychnia sublimate substance sulphate sulphide of ammonium sulphuretted hydrogen sulphuric acid sulphydric tartaric acid tartrate tion uric acid urine volatile washed watch-glass white precipitate zinc