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本文采用硫酸钡重量法、库仑滴定法、电感耦合等离子体原子发射光谱法和X射线荧光光谱法对国家标准物质GBW03201a硅酸盐水泥、GBW03205普通硅酸盐水泥中SO_3含量进行测定比对。并对不同检测方法的优缺点和适用性进行比较,以便根据检测工作的要求,从适用性、成本、测定速度、简繁程度等不同需要选择检测方法,以达到既快速、准确,又降低成本及符合检测要求的目的。
In this paper, barium sulfate weight method, Coulometric titration, inductively coupled plasma atomic emission spectrometry and X-ray fluorescence spectrometry for the national standard substance GBW03201a Portland cement, GBW03205 ordinary Portland cement SO3 content determination comparison. And compare the advantages, disadvantages and applicability of different detection methods so as to select the detection methods according to the requirements of the detection work, such as applicability, cost, measurement speed, simplicity and sophistication, etc., so as to achieve fast, accurate and cost reduction And meet the testing requirements.