混凝土中氯离子浓度测定方法

Study of Determination Method of Chloride Ion Concentration in Concrete

鉴于氯离子对混凝土的危害,快速、准确地测定混凝土中氯离子的含量十分必要。但氯离子含量的测定中,常因方法不一、试验过程不严密等,而出现对含量的检测结果不一致。通过对粉末细度、粉末重量、粉液比、浸泡时间、滴定溶液浓度等五个因素对化学滴定方法的影响研究,得出了相应的影响规律。

Due to the damage of the chloride ion to concrete,fast and accurate determination of the content of chloride ion in concrete is necessary. However,because different methods of determination,imprecise test process etc were applied in process of measurement,the results of test are often different. This paper studies that effects of powder fineness,powder weight,powder/liquid ratio,soaking time,titrating solution concentration etc on test result and acquires the corresponding influence law.