D-Index & Metrics Best Publications
Chemistry
Brazil
2022

D-Index & Metrics D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines.

Discipline name D-index D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines. Citations Publications World Ranking National Ranking
Chemistry D-index 67 Citations 13,074 264 World Ranking 3217 National Ranking 7

Research.com Recognitions

Awards & Achievements

2022 - Research.com Chemistry in Brazil Leader Award

Overview

What is he best known for?

The fields of study he is best known for:

  • Analytical chemistry
  • Copper
  • Atomic absorption spectroscopy

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.

His most cited work include:

  • Atomic absorption spectrometry (1278 citations)
  • 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 (281 citations)
  • Palladium nitrate–magnesium nitrate modifier for electrothermal atomic absorption spectrometry. Part 5. Performance for the determination of 21 elements (156 citations)

What are the main themes of his work throughout his whole career to date?

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.

He most often published in these fields:

  • Analytical chemistry (128.83%)
  • Detection limit (90.88%)
  • Mass spectrometry (71.17%)

What were the highlights of his more recent work (between 2013-2020)?

  • Analytical chemistry (128.83%)
  • Mass spectrometry (71.17%)
  • Detection limit (90.88%)

In recent papers he was focusing on the following fields of study:

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.

Between 2013 and 2020, his most popular works were:

  • Continuum source atomic absorption spectrometry : past, present and future aspects – a critical review (43 citations)
  • Continuum source atomic absorption spectrometry : past, present and future aspects – a critical review (43 citations)
  • Determination of fluorine in plant materials via calcium mono-fluoride using high-resolution graphite furnace molecular absorption spectrometry with direct solid sample introduction (30 citations)

This overview was generated by a machine learning system which analysed the scientist’s body of work. If you have any feedback, you can contact us here.

Best Publications

Atomic absorption spectrometry

Bernhard Welz.
(1985)

2151 Citations

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)

432 Citations

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)

237 Citations

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.
Analyst (1992)

229 Citations

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.
Analyst (1984)

194 Citations

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)

190 Citations

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.
Talanta (2007)

186 Citations

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)

182 Citations

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)

178 Citations

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)

174 Citations

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