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首页> 外文OA文献 >Comparative Evaluation of Inductively Coupled Plasma–Optical Emission Spectroscopy and Atomic Absorption\ud Spectrophotometry for Determining DTPA-Extractable Micronutrients in Soils
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Comparative Evaluation of Inductively Coupled Plasma–Optical Emission Spectroscopy and Atomic Absorption\ud Spectrophotometry for Determining DTPA-Extractable Micronutrients in Soils

机译：电感耦合等离子体发射光谱和原子吸收的比较评价 分光光度法测定土壤中可吸收的DTPA微量营养素

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A study was conducted for comparative evaluation of atomic absorption\udspectrophotometry (AAS) and inductively coupled plasma–optical emission spectroscopy\ud(ICP-OES) for determining extractable zinc (Zn), copper (Cu), manganese\ud(Mn), and iron (Fe) in sixty diverse soil samples having a wide range in pH and organic\udcarbon (C). The results were significantly affected by the method of analysis and soil\udtype but generally did not follow a definite trend. Results for extractable Fe in Alfisol\udsamples were significantly greater when using ICP-OES than AAS; and the results for\udZn, Cu, and Mn were not significantly different for the two methods. For Vertisol samples,\udthe results for extractable Cu were significantly greater by ICP-OES than by AAS,\udwhereas extractable Fe and Zn were significantly greater by AAS than by ICP-OES,\udand the results for Mn were not significantly different for the two methods. The results\udare discussed relative to soil type and differences in soil organic carbon and pH of the\udsamples used in the study.
机译：进行了一项研究，用于原子吸收\紫外分光光度法（AAS）和电感耦合等离子体发射光谱\ ud（ICP-OES）的比较评估，以确定可萃取锌（Zn），铜（Cu），锰\ ud（Mn），六十种不同的土壤样品中的铁和三价铁，这些样品的pH值和有机碳/碳含量范围广。结果受分析方法和土壤\ udtype的影响很大，但通常没有明确的趋势。使用ICP-OES时，Alfisol \ udsample中可萃取铁的结果显着大于AAS。两种方法的\ udZn，Cu和Mn的结果没有显着差异。对于Vertisol样品，\ ud ICP-OES的可萃取铜的结果显着大于AAS，\ ud，而ICP-OES的可萃取的Fe和Zn的光谱显着大于ICP-OES，\ ud，Mn的结果在两种方法。研究结果相对于土壤类型以及研究中所用样品的土壤有机碳和pH值的差异进行了讨论。

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