This paper thoroughly studies the＇. process of obtaining sulfur nanoparticles in aqueous medium from sodium polysulfide. Nanosize sulfur particles with orthorhombic structure were obtained at room temperature by mixi...This paper thoroughly studies the＇. process of obtaining sulfur nanoparticles in aqueous medium from sodium polysulfide. Nanosize sulfur particles with orthorhombic structure were obtained at room temperature by mixing sodium polysulfide aqueous solution with various inorganic and organic acids. Sulfur nanoparticles were characterized by laser particle-size analyzer, X-ray diffraction, electron probe microscopy. Size of sulfur nanoparticles in aqueous dispersion is affected ;trongly by acid concentration, as well as nature of alcohols, used as wetting agents when measuring sulfur particles size iin aqueous medium. Availability of obtaining sulfur nanoparticles of 22-25 nm average si;,e in aqueous medium was revealed. High biological activity of sulfur nanoparticles and ethylalcohol composition on wheat grain couching was established.展开更多
文摘This paper thoroughly studies the＇. process of obtaining sulfur nanoparticles in aqueous medium from sodium polysulfide. Nanosize sulfur particles with orthorhombic structure were obtained at room temperature by mixing sodium polysulfide aqueous solution with various inorganic and organic acids. Sulfur nanoparticles were characterized by laser particle-size analyzer, X-ray diffraction, electron probe microscopy. Size of sulfur nanoparticles in aqueous dispersion is affected ;trongly by acid concentration, as well as nature of alcohols, used as wetting agents when measuring sulfur particles size iin aqueous medium. Availability of obtaining sulfur nanoparticles of 22-25 nm average si;,e in aqueous medium was revealed. High biological activity of sulfur nanoparticles and ethylalcohol composition on wheat grain couching was established.
