Theory of Errors And Least Squares a Textbook for College Students And Research
Theory of Errors And Least Squares a Textbook for College Students And Research
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In our eReader you can find the full English version of the book. Read Theory of Errors And Least Squares a Textbook for College Students And Research 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 Theory of Errors And Least Squares a Textbook for College Students And Research
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To quickly assess the difficulty of the text, read a short excerpt:
Illustrations from Chemistry.
1. Volumetric Solutions. — It is desired to test certain acid and alkaline solutions to be used in volumetric chemical analysis, in order to ascertain their exact strengths. Two common reagents, in the form of tenth-normal solu- tions, may be tested first, then others may be compared to these. If the two reagents chosen be hydrochloric acid and potassium hydroxide, the following procedure may be employed.
A quantity of each solution is placed in an accurately gradu...ated burette, the two burettes being supported side by side. A small amount (say about 0. 2 g. ) of finely pulverized pure calcium carbonate (chalk, CaCOs) is carefully weighed, placed in a white porcelain dish and treated with an excess (say about 50 cc. ) of the HCl solu- tion from the burette, the amount being accurately ob- served. The chalk dissolves and neutralizes part of the acid, the CO2 gas escaping. The porcelain dish is now set under the KOH burette, and just enough of the alka- line solution allowed to flow into it to render it exactly neutral, this point being determined by a drop or two of methyl orange or other sensitive indicator previously added to the mixture in the dish.
What to read after Theory of Errors And Least Squares a Textbook for College Students And Research?
You can find similar books in the "Read Also" column, or choose other free books by Le Roy D Le Roy Dougherty Weld to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Illustrations from Chemistry.
1. Volumetric Solutions. — It is desired to test certain acid and alkaline solutions to be used in volumetric chemical analysis, in order to ascertain their exact strengths. Two common reagents, in the form of tenth-normal solu- tions, may be tested first, then others may be compared to these. If the two reagents chosen be hydrochloric acid and potassium hydroxide, the following procedure may be employed.
A quantity of each solution is placed in an accurately gradu...ated burette, the two burettes being supported side by side. A small amount (say about 0. 2 g. ) of finely pulverized pure calcium carbonate (chalk, CaCOs) is carefully weighed, placed in a white porcelain dish and treated with an excess (say about 50 cc. ) of the HCl solu- tion from the burette, the amount being accurately ob- served. The chalk dissolves and neutralizes part of the acid, the CO2 gas escaping. The porcelain dish is now set under the KOH burette, and just enough of the alka- line solution allowed to flow into it to render it exactly neutral, this point being determined by a drop or two of methyl orange or other sensitive indicator previously added to the mixture in the dish.
What to read after Theory of Errors And Least Squares a Textbook for College Students And Research?
You can find similar books in the "Read Also" column, or choose other free books by Le Roy D Le Roy Dougherty Weld to read onlineMoreLess
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