This standard solution was accurately prepared in super-clean laboratory with SeO2 and sub-packed in 20 ml ampoules.
本标准溶液以二氧化硒在超净实验室中准确配制并分装于20毫升安瓿中。
Preparation and characterization of Se nanoparticles: in water solution, SeO2 was first deoxidized into elemental Se by hydrazine monohydrate in the existence of surfactant.
纳米硒的制备及表征：以二氧化硒为硒源，用水合肼还原，同时加入一定量的表面活性剂，以防止纳米粒子的团聚。
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