Knowledge Base

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  • IRMS
  • Delta V
  • GasBench II
  • Isotope Fingerprint
  • Wine

GasBench II System: Tracking wine adulteration using oxygen isotope fingerprints

Jens Radke and Christopher Brodie

Thermo Fisher Scientific, Bremen, Germany

AB30461

Goal: This note demonstrate that wine adulteration by addition of water can be tracked using oxygen isotope fingerprints.

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  • IRIS
  • Delta Ray
  • Plant Phenotyping
  • Carbon and Oxygen Isotopes

Online 13C18O2 analysis with IRIS for nondestructive plant phenotyping for water use efficiency in sugar beet

Mehmet Senbayram (1), Christoph Bauer (2), Magda Mandic (3)

1) Institute of Plant Nutrition and Soil Science, University of Harran, SanliUrfa, Turkey; 2) KWS SAAT SE, Einbeck, Germany; 3) Thermo Fisher Scientific, Germany, Bremen

AN30449

Goal: This note presents a new phenotyping strategy in which whole plant physiology and plant physiology processes are considered using Isotope Ratio Infrared Spectrometry.

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  • TIMS
  • Triton Plus
  • 10^13 ohm amplifier technology

Smart Note: 10^13 Ω amplifier technology: How low can you go?

Hauke Vollstaedt, Grant Craig, Nicholas Lloyd, Johannes Schwieters and Claudia Bouman

Thermo Fisher Scientific, Bremen, Germany

SN30439

Goal: Faraday cups connected to Thermo Scientific™ 10^13 Ω amplifier technology overcome the limitations of sequential single collector measurements by enabling low noise 100% duty cycle static multicollector measurements of low intensity ion beams.

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  • IRMS
  • Isotope Fingerprints
  • Forensics

Smart Note: How do isotope fingerprints support forensic investigations?

Thermo Fisher Scientific, Bremen, Germany

SN30453

Goal: Forensic investigations examine sample materials to determine how similar or different they are, or to identify the origin of the material. Identifying the difference in a material or where it comes from can be achieved because materials have a unique che

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  • MC-ICPMS
  • Neptune Plus
  • mass resolving power
  • mass resolution
  • Si, Mg, Cl, K
  • hydride

Extra High Resolution Option for MC-ICP-MS

Nicholas Lloyd, Grant Craig, Claudia Bouman and Johannes Schwieters

Thermo Fisher Scientific, Bremen, Germany

TN30364

Goal: The most challenging interferences to resolve are from hydrides, and these can affect high-precision isotope ratio measurements of Si, Mg, Cl and K. The new Thermo Scientific™ XHR™ Extra High Resolution Option is tailored for resolving hydride interferenc

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  • IRMS
  • EA IsoLink
  • Isotope Fingerprints
  • Food Authenticity
  • Green Coffee

EA-IRMS: Tracing the geographical origin of green coffee beans using isotope fingerprints

Christopher Brodie, Maryam Weigt and Oliver Kracht

Thermo Fisher Scientific, Bremen, Germany

AN30427

Goal: In this application note we show hydrogen and oxygen isotope measurements on green coffee beans measured with the EA IsoLink IRMS System. We were able to trace the origin of green coffee beans based on unique trends observed from their isotopic fingerprin

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  • IRMS
  • GC IsoLink
  • Isotope Fingerprints
  • Tequila
  • Adulteration
  • Fraud

GC-IRMS: Detecting purity and adulteration of tequila with isotope fingerprints

Dieter Juchelka, Mario Tuthorn and Christopher Brodie

Thermo Fisher Scientific, Bremen, Germany

AB30477

Goal: This application brief reports the carbon and oxygen measurements from commercial tequila, sugar cane and the A. tequilana plant using Gas Chromatography Isotope Ratio Mass Spectrometry and demonstrates how isotope fingerprints can identify beverage adult

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  • MC-ICPMS
  • Neptune Plus
  • K Isotopes
  • High Mass Resolution
  • Flow Injection

Measurement of Stable Isotope 41K/39K Ratios by MC-ICP-MS

Nicholas S. Lloyd (1), Grant Craig (1), M. Paul Field (2), Paul Watson (2), Leah E. Morgan (3), Danielle Santiago Ramos (4) and John A. Higgins (4)

1) Thermo Fisher Scientific, Bremen, Germany, 2) Elemental Scientific Inc., Omaha, USA, 3) USGS Denver, USA, 4) Princeton University, USA

PO30446

Goal: This poster reports high precise stable K isotope ratio analysis using conventional MC-ICPMS using high resolving power and a highly efficient and stable sample introduction.

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  • MC-ICPMS
  • Neptune Plus
  • Pb Isotopes
  • Peat
  • Gas Chromatography
  • Speciation

Characterisation of the deposition of organolead compounds in the Irish peatlands by GC-MC-ICP-MS

Grant Craig (1), Carolina Rosca (2), Emma Tomlinson (2), Balz Kamber (2), Nicholas Lloyd (1), Claudia Bouman (1) and Johannes Schwieters (1)

1) Thermo Fisher Scientific, Bremen, Germany, 2) Department of Geology, Trinity College Dublin, College Green, Dublin 2, Ireland

PO30444

Goal: Here we report on Pb isotope analysis of organolead compounds extracted from Irish peat cores by GC-MC-ICP-MS, using the new, commercially available, CCI-300 interface coupled to the Neptune Plus™ MC-ICP-MS.

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  • IRMS
  • EA IsoLink
  • GC IsoLink
  • LC IsoLink Interface
  • Isotope Fingerprints
  • Food Authenticity
  • Adulteration
  • Fraud

Food Integrity Application Compendium

Thermo Fisher Scientific

AB72323

Goal: This food integrity compendium highlights key applications for authenticity, adulteration and halal foods using the Thermo Scientific product portfolio

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  • IRIS
  • Delta Ray
  • Greenhouse Gases
  • CO2
  • Carbon and Oxygen Isotopes

A Q&A: Chasing Greenhouse Gases at Our Doorstep - Isotopes as a Tool to Identify Urban Carbon Dioxide Sources

LCGC

Goal: A dedicated dialogue with Felix Vogel about monitoring greenhouse gases using the Delta Ray Isotope Ratio Infrared Spectrometer

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  • MC-ICPMS
  • Neptune Plus
  • Dynamic Tau Correction
  • 1013 ohm amplifier technology
  • Laser Ablation

Dynamic time correction for high precision isotope ratio measurements

Grant Craig (1), Zhifang Hu (2), Anyu Zhang (2), Nicholas S. Lloyd (1), Claudia Bouman (1) and Johannes Schwieters (1)

1) Thermo Fisher Scientific, Bremen, Germany, 2) Thermo Fisher Scientific, China

TN30396

Goal: This note demonstrates the application of dynamic, response time-based, correction to high precision isotope ratio measurements on the Thermo Scientific Neptune Plus MC-ICP-MS, using 1013 ohm amplifier technology.

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  • MC-ICPMS
  • Neptune Plus
  • High Resolution ICP-MS
  • Element 2/XR
  • iCAP TQ
  • LASS
  • triple LASS

Laser ablation split stream (LASS) between three ICP-MS for zircon petrochronology

G. Craig (1), D. A. Frick (2), C. Bouman (1), N. Lloyd (1), F. von Blanckenburg (2) and J. B. Schwieters (1)

1) Thermo Fisher Scientific, Bremen, Germany, 2) GFZ German Research Centre for Geosciences, Potsdam, Germany

TN30415

Goal: This note evaluates the effectiveness of laser ablation split stream (LASS) between three different inductively coupled plasma mass spectrometers (ICP-MS) for
zircon geochronology

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  • IRIS
  • Delta Ray
  • Greenhouse Gases
  • CO2
  • Carbon and Oxygen Isotopes

Chasing greenhouse gases at our doorstep – isotopes as tool to identify urban CO2 sources: A wintertime field study in the heart of the Paris megacity

Felix Vogel (1), Irene Xueref-Remy (1), Mathieu Sebilo (2), HJ Jost (3) and Magda Mandic (3)

1) LSCE, UVSQ, University Paris-Saclay, 2) Pierre and Marie Curie University, Paris, 3) Thermo Fisher Scientific, Bremen, Germany

AN30384

Goal: This note describes how the impact of different CO2 sources in Paris can be quantified using continuous measurements of CO2 and its isotopologues: O13CO and 18OCO.

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  • Clumped Isotopes

 13C18O16O in air

John M. Eiler, Edwin Schauble and Nami Kitchen

CalTech, USA

Geochimica et Cosmochimica Acta (2003), V67 (18), ppA86-A86, ISSN 0016-7037 

Goal: The atmospheric budget of CO2 is constrained by its concentration, δ13C and δ18O. However, these are insufficient to resolve source and sink processes, which vary complexly in flux and/or isotope signature. There are twelve stable isotopologues of CO2, ea