库仑分析法创立于1940年左右,其理论基础就是法拉第电解定律。库仑分析法是对试样溶液进行电解,但它不需要称量电极上析出物的质量,而是通过测量电解过程中所消耗的电量,由法拉第电解定律计算出分析结果。为此,在库仑分析中,必须保证:电极反应专一,电流效率100%,否则,不能应用此定律。以测量电解过程中被测物质在电极上发生电化学反应所消耗的电量来进行定量分析的一种电化学分析法。
n. coulometry
库仑分析法(Coulometry)是建立在电解过程基础上的电化学分析法。在电解过程中,在电极上起反应的物质的量与通过电解池的电量成正比,每96486.7库仑电量通...
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以库仑分析法为研究手段,考察了在室温下经电化学活化的石墨基二氧化铅阳极电生三价钴的条件及其应用。
It was studied that the graphite-based lead dioxide anode which had been electrochemically activated was used to electrogenerate trivalent cobalt ion by means of coulometry at ambient temperature.
用dsc、红外、核磁共振、微库仑分析法等测试手段对产品的结构进行了表征;还用粘度、醇解度等常规分析方法测定了产品的性能。
By using DSC, IR spectrum, NMR, microcolumn analysis and other methods, the structure of the product is characterized and its properties such as viscosity and saponification degree are determined.
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