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在气-液色谱分析中, 良好的载体为 ( )

单选题
2021-07-17 23:53
A、粒度适宜、均匀, 表面积大
B、表面没有吸附中心和催化中心
C、化学惰性、热稳定性好,有一定的机械强度
D、以上全对
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正确答案
D

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