Solubilities of Inorganic and Organic Compounds: A Compilation of Quantitative Solubility Data from the Periodical Literature

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D. Van Nostrand Company, 1919 - 843 էջ
 

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Էջ 5 - These coils are of manganin wire and are connected in series. The rate of evolution of heat in the jackets was adjusted in the first place by varying the length of the manganin wire, until the temperature was the same in each jacket. Stirring was accomplished by blowing air through the tubes / and J.
Էջ 285 - IN WATER; VARIATION WITH THE TEMPERATURE The table gives the weight in grams of the gas which will be absorbed in 1000 grams of water when the partial pressure of the gas plus the vapor pressure of the liquid at the given temperature equals 760 mm.
Էջ 3 - Solubility of Gases in Liquids. — When a gas and a liquid are intimately mixed by shaking, a definite amount of the gas will be dissolved by the liquid and, simultaneously, the vapor of the liquid will mix with the gas in the space above the liquid. The partial pressure of the liquid in the gas space is almost exactly the same as that of the pure liquid at the solution temperature, since the influence of the relatively slight amount of dissolved gas is insignificant in by far the most cases. The...
Էջ 4 - The burette is then filled in the usual manner by lowering the leveling tube F, the cock D having been turned so as to connect T with E. Care is taken to keep the entering gas under a slight pressure by keeping the mercury level in F slightly above that in A. This prevents air from entering...
Էջ 191 - MCOs (on the assumption that supersaturation does not occur) which, for a given base, takes place at a definite value of P which depends only upon the temperature; this transition pressure PI is, at a given temperature, the highest under which solid hydroxide is stable and the lowest at which solid carbonate is stable. At PI the solubility (as measured by the total [M]) begins to diminish,1 because increase of P increases [COj~] while the product [M++][COs~] must remain constant so long as MCO...
Էջ 191 - ... constant. Consequently the total concentration of M++ increases, part of it being now associated with carbonate and bicarbonate; in other words, the apparent solubility of the base increases if the method of analysis of the solution is a determination of M, whereas it would decrease if one should determine [OH~].* This process continues until the product...
Էջ 4 - ... above mercury, the level of which can be altered by raising or lowering a container connected with the buret by means of a rubber tube. Many forms of this apparatus have been described and the disadvantages of the earlier forms have gradually been remedied. A relatively simple form of this apparatus, but one which embodies the essential features required for accuracy, is that described by McDaniel (1911) for the determination of the solubility of methane, ethane and ethylene in a large number...
Էջ 7 - The absorption coefficient or 'solubility' is the ratio of the volume of gas absorbed, measured at the temperature of the experiment, to the volume of the saturated liquid. It may be reduced to the coefficient used by Bunsen by dividing by (i + at).
Էջ 6 - B is now opened and the inflow of air through D regulated by gradually opening F in such a manner that the liquid is very slowly forced up into the pipet. In this manner the liquid never comes into contact with the air under full atmospheric pressure but only under greatly diminished pressure. The absorption of air under these conditions can only be inappreciable, especially since the liquid in the flask remains perfectly quiet, and only the lower portion is used.

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