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针对离子色谱法与离子选择电极法测定地面水样品中氟化物存在一定偏差的现象 ,此文较详细地研究了影响测定结果的干扰因素 ,确证 CO2 -3 、HCO-3 均能产生正干扰 ,其干扰程度与干扰物质的含量成正比 ,为消除基体的干扰 ,可采用标准加入法
Ion chromatography and ion-selective electrode method for the determination of fluoride in surface water samples there is a certain deviation of the phenomenon, this paper studied in more detail the interference factors that affect the measurement results, confirmed that CO2 -3, HCO-3 can produce positive interference, The degree of interference with the interfering substances is proportional to the content, in order to eliminate the interference of the matrix, can be used to join the standard method