I have a photochemical reactor where in a H2O2 solution is activated by an UV-C (254nm) lamp. I prepared a 2 molar solution from a 30 %wt H2O2 solution(Merck). I wan to calculate the radiation energy flux distribution(LVREA) in my reactor.Based on beer law, it is exponentialy related to the solution absorbance(q is proportional to exp(-a))). a is absorbance.The value of a is very high for 2 molar H2O2 solution, then the LVREA value is about zero. It means that there is no radation flux in my photoreactor!Is my calculation true?!!
1- You have to choose a test tube or vial or covet with low UV absorption such as quartz.
2- Fill the test tube with water with the same volume of sample and measure absorbance of water and tube.
3- Repeat the step 2 with test tube filled with sample and measure the absorbance again.
4- Subtract the absorbance of sample from water.
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