求翻译：本实验以异丙醇铝的制备为例，探讨用活性炭和磁铁做吸附剂，氧化镧做添加剂时，对异丙醇铝纯度的影响，通过添加两种物质，可制得99.999%的异丙醇铝。是什么意思？

In this experiment, the preparation of aluminum isopropoxide, for example, to explore as adsorbent of activated carbon and magnets, lanthanum oxide additives on the purity of aluminum isopropoxide, by adding the two substances can be obtained 99.999% isopropyl alcohol aluminum.

In this lab to Isopropyl alcohol produced from aluminum to use activated carbon adsorbers, and magnets to make carbon dioxide lanthanum carbonate additive, the isopropyl alcohol, aluminum purity impact by adding two substances, you can be 99.999 % isopropyl alcohol aluminum.

This experiment take the aluminium isopropoxide preparation as an example, discusses makes the absorbent with the activated charcoal and the magnet, when the lanthanum oxide makes the chemical additive, to the aluminium isopropoxide purity influence, through increases two materials, may make 99.999%

Experimental preparation of isopropyl alcohol, for example, activated carbon adsorbent and magnets do discussion, when lanthanum oxide additives, aluminium purity effects of isopropyl alcohol, by adding two substances, 99.999% Al-isopropyl alcohol.

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