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Related Experiment Video

Updated: Jun 28, 2026

High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities
12:33

High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities

Published on: November 15, 2013

[Not Available].

D Fraisse1, D Girard, R Levy

  • 1Service Central de Microanalyse du Centre National de la Recherche Scientifique, 2, rue Henry Dunant, 94320 Thiais, France.

Talanta
|July 1, 1973
PubMed
Summary
This summary is machine-generated.

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This study presents a rapid, simple method for microdetermining deuterium in organic compounds using flash combustion and gas chromatography. The technique offers high precision comparable to traditional methods, with analyses completed in just 15 minutes.

Area of Science:

  • Analytical Chemistry
  • Isotope Analysis

Context:

  • Accurate determination of deuterium (heavy hydrogen) is crucial in various scientific fields.
  • Existing microdetermination methods can be time-consuming or require complex instrumentation.

Purpose:

  • To develop and describe a simple, rapid, and precise method for the microdetermination of deuterium in organic compounds.

Summary:

  • The method employs flash combustion of organic samples at 950-1050°C in an oxygen stream, followed by oxidation of combustion gases over cupric oxide.
  • Interfering oxidation products (halogens, sulfur) are removed, and water containing deuterium oxide is trapped, vaporized, and reduced to deuterium hydride.
  • Deuterium is quantified using a thermal conductivity detector, with a complete analysis taking approximately 15 minutes.

Related Experiment Videos

Last Updated: Jun 28, 2026

High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities
12:33

High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities

Published on: November 15, 2013

Impact:

  • Provides a fast and accessible analytical technique for deuterium microdetermination.
  • Enables precise isotopic analysis in organic chemistry, biochemistry, and materials science.
  • Offers an alternative to classical methods with comparable precision and significantly reduced analysis time.