其他null检测 | 催化剂中贵金属的AAS分析-珀金埃尔默企业管理（上海）有限公司

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应用领域	石油/化工
检测样本	其他
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给出了催化剂中贵金属的分析。样品用硫酸或者王水消解后，用火焰AAS进行分析。 ABSTRACT A flame atomic absorption spectrometric method is described for the determination of platinum, palladium, and rhodium in used and fresh alumina- supported and sieve catalysts. A lanthanum solution was used to eliminate chemical matrix interferences. Samples were completely dissolved in sulfuric acid and aqua regia. Overall, the method has resulted in % RSD values ranging from 1.1–5.7, 2.2–5.9, and 4.8–5.3 for Pt, Pd, and Rh, respectively; the 3s detection limits were 5 µg/L Pt, 3 µg/L Pd, and 40 µg/L Rh.

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