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本文用紫外分光光度法研究磁处理水过程中杂质与水发生的化学反应。实验证明,与对照样比较,磁处理后的水溶液在200nm或220nm附近出现特征吸收峰,它和HCO_3~-或CO_3~(2-)的特征峰相当。说明水经过磁处理后发生下列物质的反应动力学变化:H_2O+CO_2(?)H~++HCO_3~-;HCO_3~-(?)H~++CO_3~(2-)。以上可以解释为什么磁处理水能防止锅炉结垢。
In this paper, the chemical reaction of impurities and water in the magnetic treatment of water was studied by UV spectrophotometry. Experiments show that compared with the control, the magnetic treatment of the aqueous solution appeared in 200nm or 220nm near the characteristic absorption peak, which and HCO_3 ~ - or CO_3 ~ (2) of the characteristic peaks. H 2 O + CO 2 (?) H ~ ++ HCO 3 ~ -; HCO 3 ~ - (?) H ~ ++ CO 3 ~ (2-) were found to be responsible for the reaction kinetics of the following substances after water treatment. The above can explain why the magnetic water treatment can prevent boiler fouling.