— 191 — 



Segue Tabella II. 



Sostanze 

 poste a reagire 



Composizione della soluzione 



(NH 4 ) 2 0% 



B 2 3 % 



H 2 % 



Composizione del Kesto 



(NH 4 ) 2 0% B a 3 % H 2 0% 



1.2.4.4-NH 4 OH+H a O 



n r> 



:? n 



7) 11 



n » 



n ti 



» n 



ore 



24 



48 

 60 



24 

 60 

 84 



120 

 132 

 156 



96 

 108 



84 

 96 

 108 



96 



120 



144 



84 

 96 

 108 



144 

 156 



96 



108 



120 



84 

 96 

 132 



132 

 144 

 156 



72 

 120 

 144 

 168 



72 



144 



156 



120 

 156 



168 

 180 

 192 



8 



10 

 10 



7.1128 



7.14216 



7.1433 



8 3252 

 8 3428 

 8 3532 



8.900 

 8.901 

 8910 



8.873 



8 946 



9.2536 

 9.2644 

 9.266 



9.4066 

 9.107 



9.4098 



10-109 

 10.109 

 10.102 



10.832 

 10.840 



11.788 

 11.798 

 11.790 



11.84 

 11.86 

 11 86 



15.876 

 15.881 

 15.883 



20.026 

 20.309 

 20.312 

 20.312 



20.42 



20.450 



20.456 



20.72 

 20.75 



22.776 

 22.793 

 22.81 



25.01 



45.37 



52.34 



2.2366 

 2.238 

 2.2105 



2.065 

 2 0913 



2.092 



1.9481 

 1.94904 89 



1.9296 



2 084 

 2 023 



1.9656 

 1.9671 

 1.9763 



1.8801 

 1.8859 

 1.8975 



1.8618 



1.863 



1.861 



1.7897 

 1.7807 



1.6774 

 1.6767 

 1.6763 



1 6488 

 1.6475 

 1 6419 



1 3675 

 1 2516 

 1.2518 



1.0323 

 1.032 

 1.038 

 1.0264 



0.951 

 9519 



0.9472 

 0.90731 



0.81646 

 86818 

 0.8146 



0.97 



0.67 



0.48 



90.6506 

 90.61984 

 90 6462 



89.6098 

 89.5559 

 89.5948 



89.1502 

 .14996 

 89.1604 



89.043 

 89.031 



98 7708 

 98.7685 

 98.7577 



98.7133 

 98.7071 

 98.6927 



88.0292 

 «8.028 

 88.8037 



87.3783 

 87.3793 



86.5343 

 86.5253 

 86.5337 



86-.5112 

 86 50 

 86.4921 



82.7565 

 82.8674 



82.8652 



78.9417 

 78 659 

 78.1)50 

 78.6616 



78.629 

 78.5981 

 0.94694 78.5970( ; 



78 3328 

 78.34269 



76.40754 

 76 33882 

 76.3754 



74.02 



53.96 



47.18 



16.673 



18.486 



16.60 



18.126 

 17.176 



17.16 

 17.612 



16.993 



18.28 



17.45 



20.57 



21.25 

 21.399 



22.61 

 22.45 

 29 41 

 30.94 



39.906 

 46.271 

 39.906 



45.97 



38.639 



16.055 32.86 



39.573 

 38.291 



33.587 



46.546 



34.372 



37.004 



38.03 

 31 118 



35.016 

 34 67 

 37.63 

 36.79 



43.421 



35.243 



43 494 



35.904 

 44.185 



51.085 



43.267 

 44.097 



44.420 



35.174 



48.178 



42.426 



40.72 

 47.483 



42.374 

 42.88 

 32.96 

 32.27 



1.2.4 



