采用过氧化钠在800℃的高温炉中熔融样品,然后在5％(V/V)盐酸介质中,用电感耦合等离子体原子发射光谱法测定了废钌催化剂中钌含量.对样品的预处理方法和检测方法进行了研究和对比,并考察了废钌催化剂中多种金属杂质对钌检测的影响,结果表明试液中与钌等量存在的Na、Ca、Mg、Pb、Al、Co、Ni、Zn、Cd、Bi、Ag、Mn、Rh、Au、Fe等元素对测定没有干扰.用本法测定了两个含量不同的钌废料样品,钌的测定值与重量法的测定值相符.方法简便、快速,适用于钌废料和钌炭催化剂中钌的测定.
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