Výsledky vyhledávání - "Adolph Wittmeier"

Microwave digestion of plant and grain standard reference materials in nitric and hydrofluoric acids for multi-elemental determination by inductively coupled plasma mass spectrometry

Autor: Xinbang Feng, Angela Wharmby, Adolph Wittmeier, Shaole Wu

Publikováno v: Journal of Analytical Atomic Spectrometry. 14:939-946

A microwave-assisted HNO 3 -HF digestion system was explored for the total dissolution of biological plant and grain materials followed by multi-elemental determination using ICP-MS, in order to improve the low recoveries of several elements observed

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::db911f0026339843460b95d5da8f6f83
https://doi.org/10.1039/a804683b

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Microwave Digestion of Plant and Grain Reference Materials in Nitric Acid or a Mixture of Nitric Acid or a Mixture of Nitric Acid and Hydrogen Peroxide for the Determination of Multi-elements by Inductively Coupled Plasma Mass Spectrometry

Autor: Adolph Wittmeier, Xinbang Feng, Shaole Wu

Publikováno v: Journal of Analytical Atomic Spectrometry. 12:797-806

The closed-vessel microwave digestion of four plant standard reference materials (SRMs) and two grain reference materials (RMs) in nitric acid or in a mixture of nitric acid and hydrogen peroxide was explored for the direct determination of 26 elemen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::de245c6b090fe9f8f1a0ba0e3449a57e
https://doi.org/10.1039/a607217h

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Application of inductively coupled plasma mass spectrometry for total metal determination in silicon-containing solid samples using the microwave-assisted nitric acid–hydrofluoric acid–hydrogen peroxide–boric acid digestion system

Autor: Xinbang Feng, Shaole Wu, Adolph Wittmeier, Yu-Hui Zhao

Publikováno v: J. Anal. At. Spectrom.. 11:287-296

The microwave-assisted conventional HNO3–HF–H2O2–H3BO3 digestion system has been explored for direct ICP-MS analysis of total metals in silicon-containing solid samples. In closed Teflon PFA vessels under microwave heating with temperature/pres

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8790d401263eea0e9d621484a60373f0
https://doi.org/10.1039/ja9961100287

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