Related Experiment Video
Updated: Jun 28, 2026
12:33
High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities
Published on: November 15, 2013
[Not Available].
E Debal1, S Peynot, O Poliakoff
1Service Central de Microanalyse du Centre National de la Recherche Scientifique, 2 rue Henry Dunant, 94320 Thiais, France.
Talanta
|April 1, 1979
Summary
This study presents a spectrophotometric method for determining trace amounts of rhenium, rhodium, tellurium, and zirconium. The method involves sample combustion or wet digestion followed by specific chemical reactions for accurate elemental analysis.
Area of Science:
- Analytical Chemistry
- Inorganic Chemistry
Context:
- Accurate determination of trace elements is crucial in various scientific fields.
- Existing methods for rhenium, rhodium, tellurium, and zirconium may have limitations in sensitivity or sample requirements.
Purpose:
- To develop a robust spectrophotometric method for quantifying rhenium, rhodium, tellurium, and zirconium.
- To establish reliable analytical procedures for small sample masses (< 1-5 mg).
Summary:
- A novel analytical approach utilizing oxygen flask combustion or Kjeldahl flask digestion for sample preparation.
- Spectrophotometric determination of rhenium via tin(II) chloride reduction of perrhenate with 2,2'-furildioxime or thiourea.
- Spectrophotometric determination of rhodium(III) using sodium hypochlorite complexation.
- Spectrophotometric determination of tellurium as iodotellurite.
- Spectrophotometric determination of zirconium(IV) through Xylenol Orange complexation.
Impact:
- Enables precise quantification of multiple critical elements from minimal sample quantities.
- Provides a versatile spectrophotometric technique applicable to diverse sample matrices.
- Advances trace element analysis methodologies in chemistry and materials science.
