Recent Development on Determination of Low-Level ⁹⁰Sr in Environmental and Biological Samples: A Review

Area of Science:

• Nuclear analytical chemistry
• Environmental radioactivity monitoring
• Radiochemistry

Background:

• The growing nuclear power industry necessitates robust radioanalytical methods.
• Strontium-90 (90Sr), a significant fission product, requires precise measurement for safety and management.
• Accurate monitoring is crucial for environmental protection, food safety, and nuclear waste management.

Purpose of the Study:

• To critically review and summarize analytical methods for 90Sr determination.
• To discuss advancements in sample preparation, chemical separation, and detection techniques.
• To address recent developments in materials and instrumentation for 90Sr analysis.

Main Methods:

• Systematic review of literature on 90Sr determination methods.
• Discussion of techniques for sample preparation, including digestion and pre-concentration.
• Analysis of various chemical separation strategies and detection systems (e.g., spectrometry).

Main Results:

• A comprehensive overview of established and emerging analytical approaches for 90Sr.
• Identification of key challenges and improvements in 90Sr measurement sensitivity and efficiency.
• Highlighting the role of novel materials and advanced instrumentation in enhancing analytical performance.

Conclusions:

• Reliable radioanalytical methods are essential for managing the impacts of nuclear activities.
• Continuous development in analytical techniques improves the accuracy and speed of 90Sr monitoring.
• The reviewed methods support effective environmental surveillance, emergency response, and waste management strategies.