A CALORIMETRIC DETERMINATION OF THE QUANTUM YIELD FOR THE JONIZATION OF MALACHITE GREEN CYANIDE BY ULTRAVIOLET RADIATION
A CALORIMETRIC DETERMINATION OF THE QUANTUM YIELD FOR THE JONIZATION OF MALACHITE GREEN CYANIDE BY ULTRAVIOLET RADIATION
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紫外辐射孔雀绿氰化物量子化的量热测定
DOI：
10.1111/j.1751-1097.1967.tb08740.x
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发表时间：
1967
影响因子：
3.3
通讯作者：
H. Johns
中科院分区：
文献类型：
--
作者：
G. Fisher;J. C. LeBlanc;H. Johns
在225 ~ 289 nm波长范围内，用全吸收铝量热计测量了孔雀石绿氰化物（MGL）转化为氧化态MG+的量子产率。MGL转化的分子数由溶液在622 nm处吸光度的增加来确定。MG+在622 nm处的最大消光系数为10.63 × 104。在波长范围内，MGL转化为MG+的量子产率恒定，为0.91±0.01。描述了MGL作为光化学研究的光照度计的使用。
Abstract The quantum yield for the conversion of malachite green cyanide (MGL) to the oxidized form MG+ has been measured over the wavelength range from 225 to 289 nm using a total absorption aluminium calorimeter to measure the flux of photons. The number of molecules of MGL converted was determined from the increase in absorbance of the solution at 622 nm. MG+ was found to have a maximum extinction coefficient of 10.63 × 104 at 622 nm. The quantum yield for the conversion of MGL to MG+ is constant over the wavelength range with a value of 0.91 ± 0.01. The use of MGL as an actinometer for photochemical studies is described.