Biomedical Engineering Reference
In-Depth Information
acid solutions, 0.5 and 1
N
of HCl were tested after two acid experiments were
already completed. Maximum force of each concentration was 5.97 and 6.12 gf,
respectively. This is approximately 1 gf less than that of sulfuric acid and nitric acid.
However, the following experiments using 1
N
nitric acid showed that the maximum
of 5.0-gf fatigue or deterioration of PAN structure due to iteration load could affect
the force produced. If the fatigue of the muscle system is taken into account, the
effect of anion on the system would be small. These results are depicted in figures
4.126 through 4.130.
TABLE 4.10
Maximum Force of Each Concentration
Maximum force of each concentration (gram force)
0.01
N
0.1
N
0.5
N
1
N
HNO
3
6.17
7.45
7.63
7.28
H
2
SO
4
5.1
7.06
7.13
6.92
Force curve ( 0.01 N, HNO
3
)
Force curve (0.01 N, H
2
SO
4
)
6
7
6
5
5
4
4
3
3
2
2
1
1
0
0
0
20
40
60
80
100
0 10 20 30 40 50 60 70 80
Time (sec)
Time (sec)
FIGURE 4.126
Force curve under 0.01
N
of HNO
3
(left) and H
2
SO
4
(right).
Force curve ( 0.1 N, HNO
3
)
Force curve (0.1 N,H
2
SO
4
)
8
8
6
6
4
4
2
2
0
0
0
10
20
30
40
0
10
20
30
40
Time (sec)
Time (sec)
FIGURE 4.127
Force curve under 0.1
N
of HNO
3
(left) and H
2
SO
4
(right).
