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High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities
Published on: November 15, 2013
[Not Available].
1Service Central de Microanalyse du Centre National de la Recherche Scientifique, 2, rue Henry Dunant, 94-Thiais, France.
Talanta
|January 1, 1972
Summary
This study details a method to decompose organic silicon compounds using sodium peroxide. The resulting silicate is then measured spectrophotometrically with high accuracy, suitable for small sample sizes.
Area of Science:
- Analytical Chemistry
- Materials Science
Context:
- Accurate quantification of silicon in organic compounds is crucial for various scientific and industrial applications.
- Traditional methods may require larger sample sizes or are less precise for trace amounts.
Purpose:
- To develop a reliable and accurate method for determining silicon content in organic compounds.
- To establish a spectrophotometric procedure for silicate analysis using silicomolybdate.
Summary:
- Organic silicon compounds are effectively decomposed using sodium peroxide within a Würzschmitt nickel bomb.
- The liberated silicate is subsequently quantified via spectrophotometry, forming a silicomolybdate complex.
- This method is optimized for small sample masses, ranging from 2-6 mg.
Impact:
- Provides a precise analytical technique for silicon determination in organic matrices.
- Achieves a low absolute error of 0.3-0.4% for silicon content, enhancing data reliability.
- Enables accurate analysis of silicon in limited sample quantities, broadening its applicability.
