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1.2<br />
1<br />
Wt. % H absorbed<br />
0.8<br />
0.6<br />
0.4<br />
0.2<br />
5%<br />
15%<br />
25%<br />
50%<br />
75%<br />
85%<br />
0%<br />
0<br />
0 500 1000 1500 2000 2500 3000<br />
time (s)<br />
Figure 23: Percent hydrogen uptake curves for different amounts of Al in LaNi 5<br />
Dependence of percent hydrogen absorbed on Al content in LaNi 5 is given in<br />
Figure 24. The observed amount of H 2 absorbed remained constant at low Al contents,<br />
and then decreases as Al content increased.<br />
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