— 446 — 



Segue: TABELLA II. 



Numero 

 d' ordine 



Si istan zo poste 

 a reagire 



Tempo 

 ili agitazione 

 in 



termostato 



Soluzione 



Resto 



Corpo 

 di fondo 



N"a 



ci 2 W 



% 



B„ 0., 



/ 



/ o 



Ra o 



% 



Na 2 O 



1 



B, O 



°/o 



H„ O 



% 



22 a) 



^ Acqua 



Soda caustica. Bo- 



1 



giorni 



8.42 



28.05 



63.53 









1-2-5 



22 b) 





cr 

 





8 32 



27.98 



63.70 



15.25 



39.13 



45.62 



5) 



23 a) 



I 



Acqua 



Borace 



e Acido bo- 



9 



53 



8.15 



27.59 



64 26 











23 b) 









11 



» 



7.96 



27.11 



64.93 



S.68 



28.88 



62.44 



55 



24 a) 



Acido 



borico, 



Borace e 



y 





7.77 



25.70 



66 53 









55 



24 b) 



Acqua 







1 1 



n 



7.77 



25.73 



66.50 



12.18 



33.52 



54.30 



55 



25 



Acqua, Soda c. 



Ac. borico 







n 



7.57 



24 41 



68 02 











26 



i) 



li 





2 





6.84 



20.40 



27.24 











27 



h 



55 



» 



14 



" 



6 48 



19.75 



73.77 



10.95 



28.59 



60.46 



55 



28 



Acqua, 



Borace. 



Ac. borico 



2 





5.77 



16.58 



77.65 



13 94 



32.23 



53.83 



» 



29 



Acqua, 



Soda c. 



Ac. borico 



4 



W 



5.65 



14.89 



79.46 



10.80 



26.17 



63.03 



5) 



30 



Acqua, 



Suda c 



, 1-5-10. . . 



16 



7) 



5 60 



14.32 



80.08 



13.79 



35.94 



50.27 



55 



31 a) 



Acqua, 



Borace 





3 



)) 



5.14 



11.75 



83.11 











31 b) 



» 



n 





4 



Y) 



5.07 



11.72 



83.21 



12.86 



29.18 



57 96 



51 



32 a) 



Acqua, 



Soda 



cau>tica e 



24 



ore 



5 03 



11.16 



83.81 











32 è) 



Acido 



borico 





48 



» 



5 15 



11.77 



83.08 



18.55 



42.11 



39.34 



51 



33 



Acqua, 



Soda c. 



Borace . . 



3 



giorni 



5.78 



10.83 



83.39 



14.68 



32.52 



52.80 



51 



34 a) 







51 . . 



3 





6.95 



11.42 



81.63 











31 ft) 





55 





4 



n 



6.95 



11.50 



81 55 



17.50 



38.45 



44.05 



51 



35 



55 



J? 



5> . . 



3 





10.32 



15.26 



74.42 



17 86 



37.33 



44.81 



11 



36 



Acqua, 



Borace, 



Ac. borico 



2 



n 



10.48 



15.29 



74.23 



16.59 



33.43 



49.98 



11 



37 a) \ 



Acqua, 



Soda 



caustica e 



4 



n 



11.48 



16.57 



71.95 











37 b) \ 



Borace 







5 



n 



11.58 



16.62 



71.80 



18.89 



40.57 



40.54 



11 



38 a) 



» 







3 





13.03 



18.54 



68.43 











38 b) 









4 





1297 



18.62 



68.41 



18.04 



35.88 



46 08 



51 



39 



Acqua, 



Soda e, 



Ac. borico 



4 



» 



13.17 



18.57 



68.26 











40 



Acqua, 



Soda e, 



Borace . . 



2 





13.10 



18.65 



68.25 











41 a) 



Acqua, 



Soda c. 



Ac. borico 



q 





13.36 



18.90 



67.74 











41 i) 



>! 





55 



5 





13.31 



18.75 



67.94 



18.51 



37.57 



43.89 



11 



42 a) L 



Acqua, 



Soda 



caustica e 



6 



n 



13.45 



19.27 



67.28 











42 è) ( 



1 



Borace 







8 



J5 



13.51 1 



19.10 



67.39 



18.58 



37.98 



43.44 



11 



