【摘要】 根据硫脲在pH值 2～ 3的乙酸介质中可被亚硝酸钠氧化生成硫氰酸和氮气 ,利用硫氰酸和三氯化铁反应生成红色硫氰酸铁配合物的性质 ,通过测定硫氰酸铁配合物的吸光度可确定硫脲的含量。更多还原

【Abstract】 Based on the reaction that sulfourea and the sodium nitrite can react to produce Thiocyanicacid and Nitrogen in the actic agent with pH 2～3. The production of Thiocyanic acid can also react with iron trichloride ,and then the red compound was produced, it can be confirmed the content of the sulfourea in the solution of cadmiun plating.更多还原