抑制型离子色谱法同时测定水中锂和锶
Simultaneous Determination of Lithium and Strontium in Water Samples by Suppression Ion Chromatography
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摘要: 对离子色谱法测定水中的锂、锶含量及其影响因素进行了研究。以甲烷磺酸为流动相,用IonPacCS12A阳离子色谱柱分离后,电导检测器同时测定矿泉水中锂和锶,其检出限分别为0.003mg/L和0.006mg/L。对Li^+和Sr^2+的离子色谱条件进行了优化,并对流动相的选择及干扰离子的影响进行了讨论。Abstract: A method for simultaneous determination of Li~(+) and Sr~(2+) in mineral water samples by suppression ion chromatography with IonPac CS12A cation exchange column as stationary phase and methane sulphonic acid(MSA) as the mobile phase is developed.The expe