Research Papers From the Kent Chemical Laboratory of Yale University volume 1
Research Papers From the Kent Chemical Laboratory of Yale University volume 1
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In our eReader you can find the full English version of the book. Read Research Papers From the Kent Chemical Laboratory of Yale University volume 1 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 Research Papers From the Kent Chemical Laboratory of Yale University volume 1
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BY D. ALBERT KREIDER * VARIOUS methods for the preparation of perchloric acid have been developed through the long felt want of a process in which the elements of time and danger would be reduced to a minimum and the product increased to quantities commen- surate with the growing use of the acid in analytical chemistry. Most of these methods have been found impracticable because of the incidental formation of the dangerously explosive oxides of chlorine, or the time required in refining the pro...duct from the impurities introduced with the reagents employed. Doubtless the best process thus far offered is that of Caspari, f which, however, is to an objectionable degree exacting of time and labor. The product has to be treated and re-treated for the removal of potassium and then for the extraction of the hydro-fluo-silicic-acid and at several stages is for this purpose to be left standing for from twenty-four to forty-eight hours. Under the most favorable circumstances it could not be prepared in less than five or six days, and during a great many hours of that time it requires close attention.
What to read after Research Papers From the Kent Chemical Laboratory of Yale University volume 1?
You can find similar books in the "Read Also" column, or choose other free books by Frank Austin Gooch to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
BY D. ALBERT KREIDER * VARIOUS methods for the preparation of perchloric acid have been developed through the long felt want of a process in which the elements of time and danger would be reduced to a minimum and the product increased to quantities commen- surate with the growing use of the acid in analytical chemistry. Most of these methods have been found impracticable because of the incidental formation of the dangerously explosive oxides of chlorine, or the time required in refining the pro...duct from the impurities introduced with the reagents employed. Doubtless the best process thus far offered is that of Caspari, f which, however, is to an objectionable degree exacting of time and labor. The product has to be treated and re-treated for the removal of potassium and then for the extraction of the hydro-fluo-silicic-acid and at several stages is for this purpose to be left standing for from twenty-four to forty-eight hours. Under the most favorable circumstances it could not be prepared in less than five or six days, and during a great many hours of that time it requires close attention.
What to read after Research Papers From the Kent Chemical Laboratory of Yale University volume 1?
You can find similar books in the "Read Also" column, or choose other free books by Frank Austin Gooch to read onlineMoreLess
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