Modern Assaying a Concise Treatise Describing Latest Methods And Appliances
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In our eReader you can find the full English version of the book. Read Modern Assaying a Concise Treatise Describing Latest Methods And Appliances Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Modern Assaying a Concise Treatise Describing Latest Methods And Appliances
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"B" Usual Charge. Carefully weigh 0. 5 gram (in case the ore be rich in copper), and place in a 250 c. C. Beaker (Fig. 49).
"(7" Method of Treatments-Add 1 fluidounce of mixed nitric and hydrochloric acid, having 2 parts nitric and 1 part hydrochloric. Place the beaker on 76 DETERMINATION OF COPPER.
77 the sand bath (Fig. 50), and apply gentle heat. As the acid evaporates from the beaker, maintain the original volume by the addition of water from time to time, using the wash bottle (Fig. 51) du...ring the opera- tion, and continue until the fumes cease. Before remov- ing the beaker from the sand bath add drop by drop a very few drops of chemically pure sulphuric acid. This drives off any remaining ni- trous oxide (red fumes) and helps to clean the solution. Agitate the solution from time to time by stirring with a glass rod. The copper contained in the sample will now be in solution, and the silica or insoluble matter will look clear and white. This digestion will ordinarily take from ten to fifteen minutes.
What to read after Modern Assaying a Concise Treatise Describing Latest Methods And Appliances?
You can find similar books in the "Read Also" column, or choose other free books by J Reginald Smith to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
"B" Usual Charge. Carefully weigh 0. 5 gram (in case the ore be rich in copper), and place in a 250 c. C. Beaker (Fig. 49).
"(7" Method of Treatments-Add 1 fluidounce of mixed nitric and hydrochloric acid, having 2 parts nitric and 1 part hydrochloric. Place the beaker on 76 DETERMINATION OF COPPER.
77 the sand bath (Fig. 50), and apply gentle heat. As the acid evaporates from the beaker, maintain the original volume by the addition of water from time to time, using the wash bottle (Fig. 51) du...ring the opera- tion, and continue until the fumes cease. Before remov- ing the beaker from the sand bath add drop by drop a very few drops of chemically pure sulphuric acid. This drives off any remaining ni- trous oxide (red fumes) and helps to clean the solution. Agitate the solution from time to time by stirring with a glass rod. The copper contained in the sample will now be in solution, and the silica or insoluble matter will look clear and white. This digestion will ordinarily take from ten to fifteen minutes.
What to read after Modern Assaying a Concise Treatise Describing Latest Methods And Appliances?
You can find similar books in the "Read Also" column, or choose other free books by J Reginald Smith to read onlineMoreLess
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