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Abstract A method of digesting plant tissue samples for multi‐element analysis by inductively‐coupled plasma (ICP) emission spectroscopy was developed which does not require the use of HclO4. A substitute oxidant, H2O2, eliminated the hazards associated with hot, concentrated HClO4. Optimal conditions for pre‐digestion and digestion were investigated. The procedure adopted consists of a pre‐digestion in concentrated HNO3 from room temperature to 60°C in 30 min followed by digestion at 90°C for 90 min with the addition of 30% H2O2 Analysis of NBS standard tissue samples by the proposed method gave results in good agreement with analysis following digestion in HNO3,‐HClO4 and with certified values, except for Fe. Key words: Plant digestionplant analysisinductively‐coupled plasma (ICP) analysis
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Chao‐Yong Luh Huang
University of Wisconsin–Madison
E. E. Schulte
University of Wisconsin–Madison
Communications in Soil Science and Plant Analysis
University of Wisconsin–Madison
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Huang et al. (Sun,) studied this question.
synapsesocial.com/papers/6a155d2615658026c0824153 — DOI: https://doi.org/10.1080/00103628509367657
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