Air Analysis a Practical Treatise On the Examination of Air With An Appendix O
Air Analysis a Practical Treatise On the Examination of Air With An Appendix O
James Alfred Wanklyn
The book Air Analysis a Practical Treatise On the Examination of Air With An Appendix O was written by author James Alfred Wanklyn Here you can read free online of Air Analysis a Practical Treatise On the Examination of Air With An Appendix O book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Air Analysis a Practical Treatise On the Examination of Air With An Appendix O a good or bad book?
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2 + Air 99. 0 IOO. O 87. 4 After explosion .... *5-4 85. 0 74-4 After absorbing C0 2 . 80. 4 79. 8 69. 8 After pyrogallic and potash * 734 74. 1 63-8 Therefore : I. II. III. Vol. Of gas I. OO I. OO I. OO Contraction L3i 1. 56 1. 59 Carbonic acid 0-555 0. 54 0. 56 Air consumed 6. 30 6. 59 6. 17 * A point, which is not sufficiently insisted on, is brought out by these analyses. In each instance the end-nitrogen left after absorp- tion of oxygen by pyrogallic acid is greater than the nitrogen adde...d in the shape of air, viz. : I. II. III. End-nitrogen .... 73. 4 74. 1 63. 80 Nitrogen added as air . . . 71. 14 72. 24 62. 60 2. 26 1. 86 These figures, however, do not represent the nitrogen in the Stock- port gas, but are errors of experiment. The end-determination of nitrogen in analysis involving explosion in Hempel's apparatus is not very accurate, because it is affected by the accumulated experimental error arising in the whole course of the manipulation. The explosion in the bulbs charged with water is calculated to extract traces of nitrogen from solution in the water ; and, moreover, by the time the end-nitrogen is arrived at, the gas has been three times in contact with considerable volumes of liquid in the absorption -pipette.
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