问题描述：
英语翻译
This property of cerium(IV)
stands in the way of its determination using organic reagents
with the advent of atomic energy programs using thorium
extracted from ores,like monazite,a common ore for cerium,
the presence of cerium(IV) in the environment proves to
be alarming.
This property of cerium(IV)
stands in the way of its determination using organic reagents
with the advent of atomic energy programs using thorium
extracted from ores,like monazite,a common ore for cerium,
the presence of cerium(IV) in the environment proves to
be alarming.
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