PRACTICE XVI (Continued) 



Soils 





















1 



1 



1 







1 



2 



1 



2 



1 



2 



1 



2 



Weight of crucible and air-dry soil . . 



















Weight of air-dry soil 



















Weight of crucible and water-free soil . 



















Hygroscopic moisture in per cent . . . 



















Weight of water-free soil 



















Weight of soil after iirnition .... 



















Loss in grains due to ignition .... 



















Percent loss on ignition on water-free basis 



















35 



