The effect of water on rock powders . Fig. 1.—Orthoclase dust in the finest state of subdivision mi* - Fig. 2.—Same powder as shown in Fig. 1, ground, wet, dried, and repulverized. (Enlarged 25 diameters). ANPHEVV B GRAHAM CO LITHOGRAPHERS. WASHINGTON ABSORPTION EXPERIMENTS. 17 show the problems in agricultural chemistry that were exercising themind of this contemporary of Liebig more than a half a century ago,and which have been to a large extent overlooked and disregarded inmore modern work. On page 316, Way says: It is to be observed that the property of sand to arrest and separa
The effect of water on rock powders . Fig. 1.—Orthoclase dust in the finest state of subdivision mi* - Fig. 2.—Same powder as shown in Fig. 1, ground, wet, dried, and repulverized. (Enlarged 25 diameters). ANPHEVV B GRAHAM CO LITHOGRAPHERS. WASHINGTON ABSORPTION EXPERIMENTS. 17 show the problems in agricultural chemistry that were exercising themind of this contemporary of Liebig more than a half a century ago,and which have been to a large extent overlooked and disregarded inmore modern work. On page 316, Way says: It is to be observed that the property of sand to arrest and separate saline sub-stances from, solution is very limited in extent and requires careful arrangements tomake it evident at all by experiment. It differs also fundamentally from the chem-ical power, which it is the object of the present paper to explain, inasmuch as thephysical action of capillarity is exerted on the whole salt, whilst that we are aboutto describe has relation only to the alkaline or earthy base. Furthermore, the formerproperty is only the resultant of two opposite forces, that of the surf
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