用XPS测定结合分峰拟合分析,研究稻草茎部、叶鞘、穗轴等部位皮层中硅化物的组成。结果表明,在实验范围内,各部位中的硅化物均由有机硅化物和无机硅化物组成,但都以无机硅化物为主,并且不同部位中硅化物的组成有明显的差异,无机硅化物与有机硅化物的比例也不同。测定出的无机硅化物主要有5种形式的SIO2、钠沸石、nA2SIf6、滑石、高岭土、硅灰石、分子筛型物质及富铝红柱石等;有机硅化物中主要是PH3SI-O-SIPH3、ET3SICl、ET2SICl2、ETSICl3、ET3SIbr、树脂及线状P-METHylSIl等。The silicide components in cuticle of rice straw stem,leaf sheath and rice shaft were studied by means of XPS-peak-differentation-imitating analysis.The results showed that,under experimental conditions,the silicides in every above part are composed of inorganic and organic silicides,and the ratio of inorganic silicides to organic silicides are distinctly different from each other.And most of the silicides are inorganic.Silicides including five kinds of SiO2,the Vycor,quartz,alpha cristabal and gel,and many other inorganic silicides,e.g.Ca3Si3O9,Natrollite,Na2SiF6,Talc,Kaolinite,several sorts of Mol.Sieve,Al2SO5 etc.Meanwhile there are many sorts of organic silicides such as Ph3Si-O-SiPh3,Et3SiCl,Et2SiCl2,EtSiCl3,p-Methylsil(linear and resin),etc.国家自然科学基金(20277012)资助项
