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Preparation of Nanocrystalline by Sodium Dodecyl Sulfate(cas 151-21-3) Template Method

The nanocrystalline selenium was prepared by using sodium dodecyl sulfate(cas 151-21-3) as the soft template and the selenium acid was recovered by ascorbic acid. The prepared nanosized selenium was characterized by the reaction conditions on the morphology and particle size of the product.

The results showed that, when the concentration of selenium in the reaction system was 0.01 mol / L, the concentration of ascorbic acid was 0.07 mol / L, and the mass fraction of sodium dodecyl sulfate(cas 151-21-3) was 1.0%, the homogeneous and stable spherical nano-selenium could be obtained after 7 min reaction at room temperature Particles, the average particle size of about 35nm, the prepared nano-selenium particles by ultrasonic ultrasound can be stable for more than two months.



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