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THE PHYSICAL PROPERTIES OF SOILS 



CLAY SEPARATION 



Whirl the tubes in the centrifuge about one minute, 

 or until all of the particles larger than clay (0.005 



SHAKER USED IN THE PREPARATION OF SOIL SAMPLES FOR 



MECHANICAL ANALYSIS 



mm.) have settled. Decant the liquid into a granite 

 saucepan, stir up the soil remaining in the tube by 

 means of a jet of distilled water, and again whirl for 



