Raw material
Conc. of demineralizer (HCl), N
Solid to acid ratio (w:v)
Conc. of deproteinizer (NaOH), N
Solid to base ratio (w:v)
Weight, g
Apperence
Weight (g)
Color
100
Brown
0.5
1:15
1.25
1:12
6.3
1.0
8.7
1.5
10.4
Light brown
2.0
9.6
2.5
9.2
1.5
1:10
8.9
1:15
10.4
1:18
12.7
yellow
1:20
12.1
1:25
11.6
1:18
0.1
8.5
0.5
11.6
1.0
13.4
white
1.5
11.2
2.0
10.3
1.0
1:5
10.8
1:10
15.2
Supper white
1:15
12.9
1:18
10.7
1:20
10.1
Table 1:
Chemical parameters studied for extraction process.
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