What question did this study set out to answer?

To optimize a closed-system microwave dissolution method for plant tissues using hydrofluoric acid, nitric acid, and hydrogen peroxide.

February 1, 1996Communications in Soil Science and Plant Analysis

Solubilization of plant tissue with nitric acid‐hydrofluoric acid‐hydrogen peroxide in a closed‐system microwave digestor

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Authors

INI. NovozámskýGraduate School Experimental Plant Sciences RER. van EckWageningen University & Research VHV. J. G. HoubaCalifornia Native Plant Society

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Implication

Experimental study demonstrates complete dissolution of plant tissues via sequential acid microwave digestion, highlighting improved multi-element recovery across reference materials.

Key Points

To optimize a closed-system microwave dissolution method for plant tissues using hydrofluoric acid, nitric acid, and hydrogen peroxide.
Evaluated single-step microwave heating of plant tissues with combined hydrofluoric acid (HF), nitric acid (HNO3), and hydrogen peroxide (H2O2) versus a sequential digestion protocol.
Developed a protocol where HF pre-reacts and evaporates prior to the addition of HNO3 and H2O2 in a closed microwave digestor.
Assessed recovery rates of multiple major and trace elements across several plant Certified Reference Materials.
Simultaneous reagent addition failed to achieve complete dissolution, producing an insoluble solid residue composed primarily of fluoride, calcium, magnesium, aluminum, and silicon.
Sequential pre-reaction and evaporation of HF followed by closed-system microwave heating with HNO3 and H2O2 achieved complete dissolution and high mineralization.
Method validation yielded high recoveries for Ca, Mg, Fe, Pb, Zn, Cu, Al, Mn, Cd, K, Na, S, and P in certified plant standards.

Cite This Study

Novozámský et al. (1996) studied this question.

synapsesocial.com/papers/69d804a15c3030ff03d18b16 https://doi.org/10.1080/00103629609369603

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Implication

Experimental study demonstrates complete dissolution of plant tissues via sequential acid microwave digestion, highlighting improved multi-element recovery across reference materials.

Solubilization of plant tissue with nitric acid‐hydrofluoric acid‐hydrogen peroxide in a closed‐system microwave digestor

Discussion

Member takes

Implication

Key Points

Cite This Study

Solubilization of plant tissue with nitric acid‐hydrofluoric acid‐hydrogen peroxide in a closed‐system microwave digestor

Discussion

Member takes

Implication

Key Points

Cite This Study

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