An elementary treatise on practical chemistry and qualitative inorganic analysis |
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Page 52
... inner flame , " which is blue and pointed , and around and beyond this an almost colourless flame , " the outer flame . " The inner flame is often called the " reducing or deoxidising flame , " because it separates or " reduces metals ...
... inner flame , " which is blue and pointed , and around and beyond this an almost colourless flame , " the outer flame . " The inner flame is often called the " reducing or deoxidising flame , " because it separates or " reduces metals ...
Page 53
... inner blowpipe flame , its colour will be changed to green . These two colours , shown by the borax bead in the outer and inner blowpipe - flames respectively , characterise the metal iron . The borax bead is best detached from the wire ...
... inner blowpipe flame , its colour will be changed to green . These two colours , shown by the borax bead in the outer and inner blowpipe - flames respectively , characterise the metal iron . The borax bead is best detached from the wire ...
Page 54
... inner blow- pipe flame , if the wire is clean it will become red - hot without colouring the flame . If it colours the flame , clean the wire by boiling it with hydrochloric acid in a test - tube and then rinsing well with water ; or by ...
... inner blow- pipe flame , if the wire is clean it will become red - hot without colouring the flame . If it colours the flame , clean the wire by boiling it with hydrochloric acid in a test - tube and then rinsing well with water ; or by ...
Page 55
... inner blowpipe flame , the outer flame will be coloured bright yellow . Repeat the experiment , placing the moistened loop in the upper and outer part of the Bunsen flame , the same yellow tint will be obtained . This yellow colour is ...
... inner blowpipe flame , the outer flame will be coloured bright yellow . Repeat the experiment , placing the moistened loop in the upper and outer part of the Bunsen flame , the same yellow tint will be obtained . This yellow colour is ...
Page 56
... inner blowpipe flame ; globules or scales of the metal are thus frequently produced , also in many cases the oxide of the metal forms a characteristic coating or " incrustation " on the charcoal : an examination of the colour and ...
... inner blowpipe flame ; globules or scales of the metal are thus frequently produced , also in many cases the oxide of the metal forms a characteristic coating or " incrustation " on the charcoal : an examination of the colour and ...
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An Elementary Treatise on Practical Chemistry and Qualitative Inorganic ... Frank Clowes No preview available - 2018 |
Common terms and phrases
acid acid-radicles acidified added AgNO AgNO3 alkaline Am,S AmCl AmHO in excess ammonia ammonium chloride blue boiling borate borax borax bead bottle brown carbonate charcoal chloric acid chloride cipitate cold colour colourless contain cooling crucible decant detected dilute HCl dissolved drops dryness evaporated evolved filter filtrate flame coloration flask flocculent fumes fused gives green Group H₂SO HCl solution heated HNO3 hydrochloric acid hydrogen indigo-prism inner blowpipe flame insoluble liquid metals milky mixed mixture moistened NaHO nitrate Note original solution phosphate piece porcelain dish portion Potassium Potassium chloride potassium nitrate poured powder powdered substance precipitate forms preliminary examination Presence radicle reactions reagent residue salts shaking silicate SiO2 small quantity smell solu soluble strong H2SO4 strong HCl sulphate sulphides Table tate test-tube tion tube warming washed watch-glass white precipitate yellow precipitate
Popular passages
Page 361 - SYSTEMATIC HANDBOOK OF VOLUMETRIC ANALYSIS ; or, the Quantitative Estimation, of Chemical Substances by Measure, applied to Liquids, Solids, and Gases.
Page 359 - By the same Author. Laboratory Teaching ; or, Progressive Exercises in Practical Chemistry. Fourth Edition. With 83 Engravings. Crown 8vo, 5s.
Page iii - CLOWES. — Practical Chemistry and Qualitative Inorganic Analysis. An Elementary Treatise, specially adapted for use in the Laboratories of Schools and Colleges, and by Beginners. By FRANK CLOWES, D.Sc., Professor of Chemistry in University College, Nottingham.
Page v - The chief object of the author of the present work was to furnish one which was sufficiently elementary in the description of apparatuses, chemicals, modes of experimentation, etc., so as to "reduce to a minimum the amount of assistance required from a teacher." It is a generally recognized fact that one of the most serious hindrances to the utility of many of the smaller text-books is the too great conciseness of the language employed, which renders it unintelligible to the primary student unless...
Page 347 - metre" ( = 39-37 inches); this is the "unit of length." The "unit of measure" is the "litre," which is one cubic decimetre : the "unit of weight" is the gramme*, which is the weight of 1 cubic centimetre of distilled water at 4° C. The chief conveniencies arising from the use of this system are : — 1st.