KIO_3-I_2氧化法同时测定TU,TD和TT  

Simultaneous determination of TU,TD and TT by KIO_3-I_2 oxidation method

作　　者：潘志信[1] 臧剑甬[2] 

机构地区：[1]鲁东大学化学与材料科学学院,烟台264025 [2]烟台职业学院化工与环境工程系,烟台264000

出　　处：《分析试验室》2007年第9期84-87,共4页Chinese Journal of Analysis Laboratory

摘　　要：以I2和KIO3为氧化剂,建立了同时测定硫脲(TU),二氧化硫脲(TD)和三氧化硫脲(TT)的方法。强酸性条件下,用I2氧化TU;适当酸度条件下,用KIO3氧化TU和TD;强碱性条件下用I2氧化TU,TD和TT。方法已用于合成样品和TD结晶母液的分析。Using I2 and KIO3 as oxidizers, a method for simultaneous determination of thiourea （TU）, thiourea dioxide （TD） and thiourea trioxide （aminoiminomethansulfon acid, TT） has been established. The TU is oxidized by I2 under the condition of strong acid. The TU and TD are oxidized by KIO3 under the condition of appropriate acidity. The TU and TD and Tr are oxidied by I2 under strong basic condition. This method has been used to analyse the synthesic samples and mother solution of TD crystal. The results are satisfactory.

关 键 词：硫脲 二氧化硫脲 三氧化硫脲 同时测定 

分 类 号：O555.2[理学—热学与物质分子运动论]