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Hypochlorite sensor based on Spectrophotometry

机译：分光光度法的次氯酸盐传感器

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This paper investigates the production of an inline hypochlorite sensor for continuous measurement of hypochlorite strength based on spectrophotometry. This approach takes advantage of the advances in LED technology and its novelty lies in the wavelength of the chosen LED. Specifically, an LED at 395 nm (upper end of the UV range) is used where the absorption is lower, therefore allowing for measurements to be taken both accurately and cost-efficiently. An obtained correlation of 0.9878 between the known and measured hypochlorite concentrations confirmed that the Beer-Lambert law can be applied at this wavelength; and this demonstrated the validity of the assumptions underlying the idea of spectrophotometric measurement of the hypochlorite strength. The results also suggest that the same type of sensor could be used to develop a handheld device for the measurement of the commercial hypochlorite strength which is equally critical to the Water Companies.
机译：本文研究了基于分光光度法连续测量次氯酸盐强度的在线次氯酸盐传感器的生产。这种方法利用了LED技术的进步，其新颖之处在于所选LED的波长。具体而言，在吸收率较低的情况下，使用波长为395 nm（UV范围的上限）的LED，因此可以精确而经济地进行测量。已知和测量的次氯酸盐浓度之间的相关性为0.9878，这证明可以在此波长下应用比尔-朗伯定律。这证明了用分光光度法测量次氯酸盐强度的思想基础的假设是正确的。结果还表明，可以使用相同类型的传感器来开发用于测量商业次氯酸盐强度的手持式设备，这对于自来水公司同样重要。

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