'•}    Examination  of  Commercial  Ginger.  317 
TABLE  No.  2. 
Total  Ash. 
Insoluble  Ash. 
Lime  as  Calcium  Oxide 
5*29 
1  35 
0*28 
5-83 
1  07 
0-18 
547 
o-57 
o-i6' 
5-60 
o'55 
069 
3-56 
0'29 
o*C9 
5-22 
0  38 
I'02 
The  following  table  shows  the  averages  of  the  figures  obtained  in 
the  partial  analysis  of  from  four  to  six  samples  of  gingers  of  known 
purity : 
TABLE  No.  3. 
1  Ash. 
in  -rt 
:h  by 
Acid 
rsion. 
liolic 
act. 
Tot  a 
£1  V  <->  u 
Stan 
Direct 
Conve 
0  -*j 
0  X 
Afiican   
Maximum 
574 
1-29 
57  "°9 
7  20 
Minimum 
5  60 
1 06 
48  99 
5-68 
Average 
5*64 
ri6 
5371 
6  36 
Calcutta  
Maximum 
775 
2'3C 
60  75 
6'40 
Minimum 
7*14 
2;  02 
47-89 
5-28 
Average 
7-45 
2-15 
52-60 
5'69 
Maximum 
5 '64 
0*69 
4877 
8-i6 
Minimum 
5-5i 
o-55 
48-33 
7-00 
Average 
5-56 
o'6i 
48  55 
7-64 
Cochin  
Maximum 
6'43 
C92 
52-co 
8-04 
Minimum 
6-31 
079 
4039 
5 '40 
it 
Average 
636 
086 
44-40 
6-32 
Maximum 
4*15 
o*45 
62  97 
5-80 
Minimum 
372 
o"i6 
43 '64 
4"32 

Average 
3-90 
0-24 
56-42 
4'95 
Maximum 
6-40 
072 
55-97 
io-48 
Minimum 
6-02 
o-6r 
39  99 
6-96 
Average 
6  14 
o-66 
5060 
8-37 
The  following  data  were  obtained  in  the  examination  of  authentic 
samples  of  African  and  Calcutta  gingers : 
