324 



The Carh()}i!i<h(it('x of the JI((ii<johf Leaf 



until the volume of filtrate was exactly 2 litres - A. 300 cc. (or 250 cc.)* 

 of the solution were precipitated by solid sodium carbonate and made 

 up to 500 cc. = Solution B. 



Time 



si 



3 ° 



o a 

 >.S 



a.m. 65-97 

 11 a.m. 81-80 



1 p.m. 75-0'l 

 :i p.m.f 07-94 

 5 p.m. 76-9.'5 



7 p.m. 



p.m. 

 11 p.m. 



1 a.m. 

 3 a.m. 

 5 a.m. 

 7 a.m.f 



92-74 

 73-53 

 (i4-03 

 73-71 



7(i-25 

 74-72 

 66-36 



-a 



00 



3 



05 



c 

 o 



is 



" o 



oi 



O 3 



3 a 



25 cc. B 

 25 cc. B 

 25 cc. iJ 

 10 cc. A 

 25 cc. B 

 25 cc. B 

 25 cc. B 

 25 cc. iS 

 25 CO. B 

 25 cc. B 

 25 cc. B 

 20 cc. A 



"9 

 ^3 



0-2289 

 0-2524 

 0-2.')03 

 0-2145 

 0-2427 

 0-2286 

 0-2345 

 0-2210 

 0-2614 

 0-2868 

 0-2679 

 0-2818 



Inveitaso 

 inversion 



Citric 

 inversion 



I 



0-3410 



0.3943 



0-3825 



0-3906 



0-3897 



0-4058 



0-3670 



0-3706 



0-4120 



0-4688 



0-4190 , 



0-4165 



8ii 



-0-084° 



-0-132 



~0-l.'>2 



-0-344 



-0-141 



-0-131 



- 0-098 



- 0-07 1 

 -0-157 



- 0-168 

 -0-121 

 -0-198 



■■ a 

 I o 



I >.= 



• u 00 



> *^ r 

 , «^ f 



0-3469 

 0-3997 

 0-3892 

 0-3870 

 0-3941 

 0-4048 

 0-3715 

 0-3710 

 0-4225 

 0-4683 

 0-4202 

 0-4220 



-0-125 

 -0-100 

 - 0-0(U 

 -0-1.53 

 -0-171 

 -0125 

 -0-188 



* Whether 250 cc. or 300 cc. of the 500 cc. were used is shown in tlir lit ^ ilnmii. 

 At 7 p.m. 200 cc. of A were taken. 



f In these analyses the solution A was used direct, without furthi-i dilution, so that 

 the polarimetric and reduction data refer to tlic solution .4. 



Mmnpld Slalks. October llth-12th, 1912. 

 E.xtract evaporated in vacuo and made up to 200 cc. 170 cc. of the 

 200 precipitated by basic lead acetate, filtered and washed to 2 litres 

 = Solution A. 300 cc. of A treated with solid sodium carbonate and 

 made up to 500 cc. = B. 



Time 



II a.m. 

 11 p.m.* 



8 "> 



43-70 

 40-16 



3 



a 

 o 



sS 



"o a 



25-67 69-37 

 25-56 65-72 



a' 



_3 



25 cc. B 

 25 cc. A 



Invertaso 

 inversion 



°9 

 S5 



c c 



.2 '^ 

 SO) 



1 = 



a 2 

 2 * 



s a 



ca o 



Citric 

 inversion 



6i 



a g 

 .2§ 



I -3 



•3 feO 



s a 



0-2865 0-3417 +0-045 0-3483 

 0-3735 0-4605 +0-102 0-4663 



3 



•a 



+ 0-040; 0-0095 

 + 0-093 0-0110 



Remarks 



300 cc. A 



A used direct 



* Solution A used direct without further dilution, so that polarimetric and reduction 

 data refer to solution A. 



