Quantitative Chemical Analysis

Author:   Thomas Edward Thorpe ,  Thomas Edward Thorpe, Sir
Publisher:   Rarebooksclub.com
ISBN:  

9780217978699


Pages:   330
Publication Date:   01 May 2012
Format:   Paperback
Availability:   In Print   Availability explained
Limited stock is available. It will be ordered for you and shipped pending supplier's limited stock.

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Quantitative Chemical Analysis


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Purchase of this book includes free trial access to www.million-books.com where you can read more than a million books for free. This is an OCR edition with typos. Excerpt from book: We can determine v and r' either from the linear dimensions of the bodies, or more easily, and more accurately, from their densities. The value of L requires correcting for variation in temperature, pressure, and atmospheric moisture. We have therefore to observe the thermometer, barometer, and hygrometer at the moment of weighing: r and r arc also not invariable but are dependent on the temperature at the time of weighing; we require therefore (when the greatest possible accuracy is desired) to correct for their expansion. It is seldom necessary to correct the indications of the balance to this extent, since it is only in the estimation of the combining weights of the elements, and in certain physico-chemical determinations that such extreme accuracy is needed. In such ca=es Table XI. in the Appendix will be found useful. The scope of this work will not permit of a fuller discussion of the precautions and corrections necessary in the exact determination of weight. We would refer for more complete information to a memoir by Bessel, in the 'Astronomische Nachrichten, ' vol. yii., or to Schumacher's paper, ' Ueber die Berechnung der bei Wagungen vorkommen- den Reductionen' (Hamburgh, 1838), in which the principles of the corrections are very fully explained: the physical data, however, need revision. In Kuppfer's work, 'Travaux de la Commission pour fixer les Poids et Mesures de Russie' (St. Petersburg, 1841), is given a full account of the method of vibrations; and, lastly, in Prof. W. H. Miller's classical memoir, 'On the construction of the New Imperial Standard Pound' ('Phil. Trans.' Part III. for 1856), the best manner of conducting Gauss's method of reversal is described; the tables of correcti6ntherein given are based on the most accurate data. GENERAL PRELIMINARY OPE...

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Author:   Thomas Edward Thorpe ,  Thomas Edward Thorpe, Sir
Publisher:   Rarebooksclub.com
Imprint:   Rarebooksclub.com
Dimensions:   Width: 18.90cm , Height: 0.60cm , Length: 24.60cm
Weight:   0.209kg
ISBN:  

9780217978699


ISBN 10:   021797869
Pages:   330
Publication Date:   01 May 2012
Audience:   General/trade ,  General
Format:   Paperback
Publisher's Status:   Unknown
Availability:   In Print   Availability explained
Limited stock is available. It will be ordered for you and shipped pending supplier's limited stock.

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