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Lanthanum, is the first element in the rare earth or lanthanide series. It is the model for all the other trivalent rare earths. After cerium, it is the second most used product of the rare earths.
Lanthanum-rich lanthanide compounds are used extensively for cracking reactions in FCC catalysts, especially to manufacture high-octane gasoline from heavy crude oil.
Lanthanum-Rich Rare Earth metals play important roles in hydrogen storage bettaries. Rare Earth
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