2022 - Research.com Chemistry in Brazil Leader Award
The scientist’s investigation covers issues in Analytical chemistry, Atomic absorption spectroscopy, Detection limit, Graphite furnace atomic absorption and Mass spectrometry. Bernhard Welz frequently studies issues relating to Graphite and Analytical chemistry. His Atomic absorption spectroscopy research integrates issues from Hydride, Nuclear chemistry, Inorganic chemistry, Analyte and Arsenic.
Bernhard Welz focuses mostly in the field of Detection limit, narrowing it down to matters related to Mercury and, in some cases, Nitric acid. His Graphite furnace atomic absorption study incorporates themes from Pyrolysis, Thallium and Cadmium. His Mass spectrometry research incorporates themes from Deuterium, Detector, Polychromator, Spectrometer and Vanadium.
Bernhard Welz mostly deals with Analytical chemistry, Detection limit, Mass spectrometry, Atomic absorption spectroscopy and Graphite furnace atomic absorption. His Analytical chemistry research is multidisciplinary, relying on both Graphite and Pyrolysis. The Detection limit study combines topics in areas such as Sample preparation, Inductively coupled plasma mass spectrometry and Analyte.
His studies deal with areas such as Fluorine, Diatomic molecule and Absorption spectroscopy as well as Mass spectrometry. His study looks at the relationship between Atomic absorption spectroscopy and fields such as Hydride, as well as how they intersect with chemical problems. His Graphite furnace atomic absorption study combines topics in areas such as Chromium, Inorganic chemistry, Cadmium and Arsenic.
His scientific interests lie mostly in Analytical chemistry, Mass spectrometry, Detection limit, Certified reference materials and Graphite furnace atomic absorption. His study in Analytical chemistry is interdisciplinary in nature, drawing from both Graphite and Pyrolysis. His biological study spans a wide range of topics, including Fluorine and Diatomic molecule.
He has included themes like Absorbance, Sulfur, Atomic absorption spectroscopy and Particle size in his Certified reference materials study. His work in Atomic absorption spectroscopy addresses issues such as Monochromator, which are connected to fields such as Nanotechnology and Engineering physics. His studies in Graphite furnace atomic absorption integrate themes in fields like Soil test, Selenium, Analyte and Cadmium.
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Atomic absorption spectrometry
Determination of chromium(III) and chromium(VI) in water using flow injection on-line preconcentration with selective adsorption on activated alumina and flame atomic absorption spectrometric detection
Michael. Sperling;Shukun. Xu;Bernhard. Welz.
Analytical Chemistry (1992)
Palladium nitrate–magnesium nitrate modifier for electrothermal atomic absorption spectrometry. Part 5. Performance for the determination of 21 elements
Bernhard Welz;Gerhard Schlemmer;Jayateerth R. Mudakavi.
Journal of Analytical Atomic Spectrometry (1992)
Differential determination of chromium(VI) and total chromium in natural waters using flow injection on-line separation and preconcentration electrothermal atomic absorption spectrometry
Michael Sperling;Xuefeng Yin;Bernhard Welz.
Mechanisms of transition metal interferences in hydride generation atomic-absorption spectrometry. Part 1. Influence of cobalt, copper, iron and nickel on selenium determination
Bernhard Welz;Marianne Melcher.
Determination of phosphorus, sulfur and the halogens using high-temperature molecular absorption spectrometry in flames and furnaces--A review.
Bernhard Welz;Fábio G. Lepri;Rennan G.O. Araujo;Sérgio L.C. Ferreira.
Analytica Chimica Acta (2009)
Determination of vanadium in petroleum and petroleum products using atomic spectrometric techniques
Fábio A C Amorim;Bernhard Welz;Bernhard Welz;Antônio C S Costa;Fábio G Lepri.
Flow injection on-line separation and preconcentration for electrothermal atomic absorption spectrometry. Part 2. Determination of ultra-trace amounts of cobalt in water
Michael Sperling;Xuefeng Yin;Bernhard Welz.
Journal of Analytical Atomic Spectrometry (1991)
Modifiers and coatings in graphite furnace atomic absorption spectrometry--mechanisms of action (A tutorial review)
H.M Ortner;E Bulska;U Rohr;G Schlemmer.
Spectrochimica Acta Part B: Atomic Spectroscopy (2002)
Flow injection on-line sorbent extraction pre-concentration for graphite furnace atomic absorption spectrometry
Zhaolun Fang;Michael Sperling;Bernhard Welz.
Journal of Analytical Atomic Spectrometry (1990)
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