484: White — Melting Point Methods at High Temper atur 



es. 



Table I. — Typical Original Record of a Melting Point Determination. 







Na 2 S0 4 + 





Element 







Na 2 S0 4 



+ 





June 17, 



l/3#NaCl. 



immersed 



June 17, 



l/3#NaCl. 





1909. 





Charge 9 x 



^.gmm 



27 mm . 





1909. 



Continued. 













r-" Si 















66 



to 



66 



erenti 



sading 



trol — 



Char 



u 



66 



<D 



&J0 



66 



erenti 



ading 



trol — 



Char 



o 



~6T 





Tt 





o 



JT 



C6 



6f 





Q 





o 





ft o 



o 





O 





ft o 



7329 



54 













8142 



13 



156 



7383 



50 













155 



10 



153 



7433 



57 







251 







165 



8 



158 



7490 



58 



7281 



77 



225 







173 



6 



155 



7548 



52 



7358 



68 



205 







179 



7 



154 



7600 



50 



7426 



61 



189 







186 



5 



156 



7650 



51 



7487 



58 



179 







191 



5 



157 



7701 





545 

 602 

 658 

 713 

 764 

 814 

 861 

 908 

 956 

 8002 

 043 

 079 

 105 

 127 



57 

 56 

 55 

 51 

 50 

 47 

 47 

 48 

 46 

 41 

 36 

 26 

 22 



174 

 17u 

 165 

 160 

 153 

 151 

 148 

 152 

 152 

 152 

 158 

 156 

 157 

 155 







196 

 200 

 203 

 207 

 210 

 212 

 8214 

 217 

 233 

 277 

 322 

 383 

 446 



4 

 3 

 4 

 3 



2 

 2 

 3 

 16 

 44 

 45 

 60 

 64 



155 

 155 

 156 

 153 

 148 

 150 

 156 

 158 

 144 

 121 

 140 

 150 

 148 

























15 







Cadmium Cell balance K 



Each line of readings corresponds to one minute. The furnace ivas regulated each minute 

 when necessary. Readings in microvolts: 1MV=0'09°. 



