摘要
本文发现在硫酸介质中,钛(Ⅳ)催化高碘酸钾氧化中性红褪色的新指示反应,研究了反应的动力学条件,建立了催化褪色光度法测定痕量钛(Ⅳ)的新方法,灵敏度为2.8×10^(-11)Ti^(4+)/ml。
Ti(IV)can catalyze the decolourizing reaction formed by the oxidation cf neutral red with KIO_4 in a H_2SO_4 solution. The cptimum conditions influencing the rate of catalytic decolourizing reaction and a new high selectivity method for determining trace Ti(Ⅳ)were established. The sensitivity of the method is 2. 8×10^(-11)gTi(Ⅳ)/ml.
出处
《分析化学》
SCIE
EI
CAS
CSCD
北大核心
1990年第12期1128-1130,共3页
Chinese Journal of Analytical Chemistry
关键词
催化褪色
分光光度法
中性红
钛(Ⅳ)
Catalytic decolourization
Spectrophotometry
Neutral red
Titanium
