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研究了一种新的测定NaCl溶液中CO2含量的可见分光光度法，考察了该方法的测量误差。研究了NaCl浓度、温度等因素对CO2含量的影响规律。结果表明，该方法具有测量简便、误差较小、溶液可重复使用等特点。
A new spectrophotometric method for the determination of CO2 in NaCl solution was studied. The measurement error of this method was investigated. The effects of NaCl concentration, temperature and other factors on the CO2 content were studied. The results show that the method has the advantages of simple measurement, small error and reusable solution.