化学分析中存在着许多不确定性,如定容时容器受温度影响产生的不确定性,研究员的观测误差产生的不确定性等,对溶液中氯离子的测量结果进行不确定度计算,结果表明不确定度对实验结果的影响较大,计算中要加以考虑,不能够忽略。 There are many uncertainties in chemical analysis, such as the uncertainty caused by the temperature of the container when the volume is fixed, the uncertainty caused by the researcher’s observation error, and so on, the uncertainty of the chloride ion in the solution is calculated. The result The results show that the uncertainty has great influence on the experimental results, which should be considered in the calculation and can not be neglected.