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首页> 外文期刊>Journal of the Brazilian Chemical Society >Simultaneous determination of hydride and non-hydride forming elements by inductively coupled plasma optical emission spectrometry
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Simultaneous determination of hydride and non-hydride forming elements by inductively coupled plasma optical emission spectrometry

机译：电感耦合等离子体发射光谱法同时测定氢化物和非氢化物形成元素

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The operating characteristics of a dual nebulization system were studied including instrumental and chemical conditions for the hydride generation and analytical figures of merit for both, hydride and non hydride forming elements. Analytical performance of the nebulization system was characterized by detection limits from 0.002 to 0.0026 μg mL-1 for the hydride forming elements and between 0.0034 and 0.0121 μg mL-1 for the non-hydride forming elements, relative standard deviation for 10 replicate measurements at 0.25 mg L-1 level and recovery percentages between 97 and 103%. The feasibiity of the system was demonstrated in the simultaneous determination of Ca, Cd, Co, Cr, Cu, Fe, Mg, Mn, Mo, Ni, Zn, As, Bi, Sb, Se, and Te in the NIST 1549 (non-fat milk powder), NIST 1570a (spinach leaves), DORM-2 (dogfish muscle) and TORT-2 (lobster hepatopancreas) certified samples for trace elements. Results found were in good agreement with the certified ones.
机译：研究了双重雾化系统的操作特性，包括生成氢化物的仪器条件和化学条件，以及生成氢化物和非氢化物的元素的分析品质因数。雾化系统的分析性能的特征在于，氢化物形成元素的检出限为0.002至0.0026μgmL-1，非氢化物形成元素的检出限为0.0034至0.0121μgmL-1，在0.25下进行10次重复测量的相对标准偏差毫克L-1含量和回收率介于97％和103％之间。通过同时测定NIST 1549中的Ca，Cd，Co，Cr，Cu，Fe，Mg，Mn，Mo，Ni，Zn，As，Bi，Sb，Se和Te证明了该系统的可行性（非脂奶粉），NIST 1570a（菠菜叶），DORM-2（dog鱼肌肉）和TORT-2（龙虾肝胰腺）认证的痕量元素样品。发现的结果与认证结果完全一致。

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