The Solubility And Surface Energy of Fine Powders
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In our eReader you can find the full English version of the book. Read The Solubility And Surface Energy of Fine Powders 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 The Solubility And Surface Energy of Fine Powders
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Calculation by Jones' Equation 3 gave 352 (a difference of about 1%), while an error of only O. Olju in the diameter measurement would make a difference of 2% in the value for surface energy. In the microscopic estimation of the size of particles, the probable error is much greater than 0. 01/*. It is more nearly 0. 1 M- Thus it is clear that the simplified Equation 5 is amply sufficient for present needs. It 13 is also clear that very little reliance should be placed on our present knowl- edge... of the surface energy of solids.
In Expt. 6, where the particles were estimated at 0. 2/x in diameter, the calculated value of the surface energy was 385. The average for the two sizes, 0. 5 and 0. 2/x, is then about 370.
The question now arises as to why the above result differs from that of Hulett, who found a much larger increase in solubility. The possibility of slight dehydration is suggested by the fact that he does not specifically mention any moisture determination on his fine powder. Moreover, gypsum crystals are transparent, and have a low refractive index, and when finely powdered are difficult to observe sharply in the microscope, so that it is very uncertain how many particles too small to be visible might be present in the powder.
What to read after The Solubility And Surface Energy of Fine Powders?
You can find similar books in the "Read Also" column, or choose other free books by Merle Leroy Dundon to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Calculation by Jones' Equation 3 gave 352 (a difference of about 1%), while an error of only O. Olju in the diameter measurement would make a difference of 2% in the value for surface energy. In the microscopic estimation of the size of particles, the probable error is much greater than 0. 01/*. It is more nearly 0. 1 M- Thus it is clear that the simplified Equation 5 is amply sufficient for present needs. It 13 is also clear that very little reliance should be placed on our present knowl- edge... of the surface energy of solids.
In Expt. 6, where the particles were estimated at 0. 2/x in diameter, the calculated value of the surface energy was 385. The average for the two sizes, 0. 5 and 0. 2/x, is then about 370.
The question now arises as to why the above result differs from that of Hulett, who found a much larger increase in solubility. The possibility of slight dehydration is suggested by the fact that he does not specifically mention any moisture determination on his fine powder. Moreover, gypsum crystals are transparent, and have a low refractive index, and when finely powdered are difficult to observe sharply in the microscope, so that it is very uncertain how many particles too small to be visible might be present in the powder.
What to read after The Solubility And Surface Energy of Fine Powders?
You can find similar books in the "Read Also" column, or choose other free books by Merle Leroy Dundon to read onlineMoreLess
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