The Chemical And Metallographic Examination of Iron Steel And Brass
The Chemical And Metallographic Examination of Iron Steel And Brass
William T William Thomas Hall
The book The Chemical And Metallographic Examination of Iron Steel And Brass was written by author William T William Thomas Hall Here you can read free online of The Chemical And Metallographic Examination of Iron Steel And Brass book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Chemical And Metallographic Examination of Iron Steel And Brass a good or bad book?
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Dissolve 2. 5 g. Of steel in a 300-c. C. Erlenmeyer flask with 50 c. C. Of nitric acid. Heat, and while boiling add 6 c. C. Of the strong permanganate solution, continuing to heat until manganese dioxide precipitates. Dissolve the precipitate by the addition of small portions of sodium bisulfite solution and boil until the solution is clear and free from oxides of nitrogen. Add 5 c. C. Of ammonium phosphate solution and 10 g. Of ammo- nium nitrate, heat to boiling, remove from the hot plate and... add immediately 50 c. C. Of the ammonium molybdate solution. Let stand 1 min. , then shake or agitate for 3 min. Filter the super- natant solution through an asbestos filter, washing three times with hot acid ammonium sulfate solution and drain by suction. Then place the flask containing the larger part of the precipitate under the funnel and treat the asbestos pad with successive portions of hot, concentrated sulfuric acid (d. 1. 84). Heat the solution in the flask until all the precipitate is dissolved, add a few drops of nitric acid and evaporate until copious fumes of sulfuric acid are evolved.
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