( 627 ) 
TA -B ee Ee 
N./49 ethyl acetate + N./,) NaOH + N/; invert-sugar. 
t Ga kC, 
30 7.52 = 
50 6.59 0.00705 
80 5.51 729 k= 0.379 
110 4.79 712 
average 0.00715 
BAB LB X. 
N.lsg ethyl acetate + N./40 Na OH + N/,, invert-sugar. 
First series. Second series. 
t Cn kC, t Cn kC, 
15 7.78 — 15 7.78 -= 
go read 0011 30 650 0.0181 
50 5.35 129 k = 0.68 50 5.38 127 k = 0.66 
73 4.35 131 75 4.39 128 
105 3.59 142 105 san 132 
average 0,0133 average 0.0139 
WB DE XI. 
N./49 ethyl acetate + _N./40 Na OH + N./s, invert-sugat. 
First series. Second series. 
t Cn kC, t Cn kC, 
To 744 — 10 7.40 ss 
20 6.10 0.0219 20 6.05  0,0223 
30 5.20 915k == 1.16 30 5.18 921 k-= 118 
45 428 21) 45 4.21 216 
65 340 216 65 3.42 212 
average 0.0215 average 0.0218 
nRa AE 
N.J4o ethyl acetate + N./4o NaOH + N./4, invert-sugar. 
First series. Second series. 
t Cn kC, ‘ Ca kC, 
5 7.51 == 5 7.50 — 
10 6.32 0.0376 15 5.42 0.0383 
15 5.41 388 k=—2.01 20 4.78 379 k=2.04 
20 4.80 376 30 3.81 387 
30 3.90 370 
average 0.0377 average 0.0383 
