CHEMICAL ACTION AND MAGNETISM 305 



Same proportions; temperature, 0. 



Without Magnet With Magnet (10 cells) 



Time .NazSjOs required Time Na-jSjOs required 



60 2-70 60.5 2-80 



120 3-72 120 3-70 



195 4-54 195 4*42 



275 4-86 275 4 90 



360 5-20 



380 5-70 380 5-80 



480 6-06 480 6-10 



600 6-43 600 6-60 



705 6-71 705 6-75 



