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首页> 外文期刊>Communications in Soil Science and Plant Analysis >Comparative Evaluation of Inductively Coupled Plasma-Optical Emission Spectroscopy and Atomic Absorption Spectrophotometry for Determining DTPA-Extractable Micronutrients in Soils
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Comparative Evaluation of Inductively Coupled Plasma-Optical Emission Spectroscopy and Atomic Absorption Spectrophotometry for Determining DTPA-Extractable Micronutrients in Soils

机译：电感耦合等离子体光发射光谱和原子吸收分光光度法测定土壤中DTPA可提取的微量营养素的比较评价

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摘要

A study was conducted for comparative evaluation of atomic absorption spectrophotometry (AAS) and inductively coupled plasma-optical emission spectroscopy (ICP-OES) for determining extractable zinc (Zn), copper (Cu), manganese (Mn), and iron (Fe) in sixty diverse soil samples having a wide range in pH and organic carbon (C). The results were significantly affected by the method of analysis and soil type but generally did not follow a definite trend. Results for extractable Fe in Alfisol samples were significantly greater when using ICP-OES than AAS; and the results for Zn, Cu, and Mn were not significantly different for the two methods. For Vertisol samples, the results for extractable Cu were significantly greater by ICP-OES than by AAS, whereas extractable Fe and Zn were significantly greater by AAS than by ICP-OES, and the results for Mn were not significantly different for the two methods. The results are discussed relative to soil type and differences in soil organic carbon and pH of the samples used in the study.
机译：进行研究，用于对原子吸收分光光度法（AAS）和电感耦合等离子体 - 光发射光谱（ICP-OES）进行比较评价，用于测定可提取的锌（Zn），铜（Cu），锰（Mn）和铁（Fe）在60种不同的土壤样品中，具有宽范围的pH和有机碳（C）。结果受分析和土壤类型的方法显着影响，但通常不遵循明确的趋势。使用ICP-OES比AAS的ICP-OES在Alfisol样品中可提取的Fe的结果明显更大;对于这两种方法，Zn，Cu和Mn的结果没有显着差异。对于Vertisol样品，可通过ICP-OE的可提取Cu的结果比AAS显着更大，而AAA的可提取的Fe和Zn显着更大，并且对于两种方法，Mn的结果没有显着差异。结果是相对于土壤类型和土壤有机碳的差异和研究中使用的样品的pH讨论。

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