Chemical News and Journal of Industrial Science, Tomy 103-104Chemical news office., 1911 |
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Strona 2
... heat from the friction of the stirring apparatus , and a method for determining this heating effect was therefore evolved . The object of this article is to show how the heat of friction , its magnitude under different conditions , and ...
... heat from the friction of the stirring apparatus , and a method for determining this heating effect was therefore evolved . The object of this article is to show how the heat of friction , its magnitude under different conditions , and ...
Strona 21
... heat exchanges between a gas calorimeter of the flow type and its surroundings are negligible is correct only when the temperature of the water supply approxi- mates closely to that of the surroundings . If this is not the case , it ...
... heat exchanges between a gas calorimeter of the flow type and its surroundings are negligible is correct only when the temperature of the water supply approxi- mates closely to that of the surroundings . If this is not the case , it ...
Strona 29
... heat is applied gently at first , and finally with the highest heat of a good Bunsen burner . It is then weighed as Mg2P207 : I grm . Mg2P207 0.3625 grms . MgO . = The alkalis are determined by the method of J. Lawrence Smith from a grm ...
... heat is applied gently at first , and finally with the highest heat of a good Bunsen burner . It is then weighed as Mg2P207 : I grm . Mg2P207 0.3625 grms . MgO . = The alkalis are determined by the method of J. Lawrence Smith from a grm ...
Strona 30
... heat by sodium carbonate after evaporating off the hydrochloric acid . The manganese is weighed as Mn304 and calculated to MnO2 , in which form it is probably present in the enamel . The residue of cobalt sulphide left after extracting ...
... heat by sodium carbonate after evaporating off the hydrochloric acid . The manganese is weighed as Mn304 and calculated to MnO2 , in which form it is probably present in the enamel . The residue of cobalt sulphide left after extracting ...
Strona 33
... heat was resorted to for the smelting of tin dross because of the act that the heat could be internally applied to the slag , which is on the bottom of a shaft - type of furnace , thus enabling the dross to be thrown on top of the slag ...
... heat was resorted to for the smelting of tin dross because of the act that the heat could be internally applied to the slag , which is on the bottom of a shaft - type of furnace , thus enabling the dross to be thrown on top of the slag ...
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