( 632 ) 
E. Experiments with Mannitol. 
The preparation obtained from KArLBAUM was sharply dried 
and then used for making the solutions. 
PA BL XXIX 
N./4o ethyl acetate + N./y NaOH + N./; mannitol. 
First series. Second series. 
u cn kC, t Cn kC, 
3 7.23 — 3 Veh) == 
9 4.68 0.0907 k—5,18 6 5.61 0.0938 
12 3.92 938 9 4.60 938 k=—5,20 
17 3.12 940 12 3.90 937 
17 SL 937 
average 6.0928 average 0.0938 
TABLE AAM 
N./,9 ethyl acetate + N./,) NaOH ++ N./, mannitol. 
First series. Second series. 
2 7.53 _ 2 7.49 -— 
4486019 0.109 Ae 4157 0.107 
6 5.21 Il k=5,83 6 5.20 110 k=5,87 
8 4.50 112 8 4.52 109 
LL 3.80 109 11 3.70 118 
average 0.110 average 0.110 
TAB LE, ZENE 
N./ ethyl acetate + N./,o NaOH + N.fao mannitol. 
First series. Second series. 
t Cn kC, t Cn kC, 
2 a oe — 21700 — 
A 6:01 0.109 4 5.97 0.111 
6 5.01 115 kh S618 6 4,99 — 115 k=6,19 
8 4.33 115 8 4.31 115 
19 3.80 115 10. 3.81 lll 
average 0.113 average 0.113 
