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离子色谱法测定尿液中磷酸类物质

Chinese Jorunal of Inorganic Analytical Chemistry(2012)

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Abstract
采用阴离子交换色谱柱IonPac AS16,以梯度变化的氢氧化钾作为淋洗液,流速1.0 mL/min,抑制电导检测,快速、方便地测定了尿液中磷酸性尿结石抑制物——焦磷酸和植酸的含量.方法在0.01~5.00 mg/L范围内线性关系良好,回归方程的线性相关系数为0.999 8,实际样品的加标回收率在96.0%~102.0%,结果令人满意.
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