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Updated: May 9, 2026

06:27
Expression of Cementitious Pore Solution and the Analysis of Its Chemical Composition and Resistivity Using X-ray Fluorescence
Published on: September 23, 2018
Summary
This study clarifies the metrological definitions of biological concentration and content, crucial for accurate measurements in health sciences. It aims to reduce confusion by defining these terms based on international standards for nomenclature and terminology.
Area of Science:
- Biomedical Science
- Metrology
- Clinical Laboratory Science
Background:
- Accurate measurement of biological quantities is fundamental in health sciences.
- Ambiguity in the terms 'concentration' and 'content' is frequently observed in biomedical literature.
- Classical definitions distinguish concentration by volume and content by mass, but further clarification is needed.
Discussion:
- The article addresses the metrological meaning of 'concentration' (amount per volume) and 'content' (amount per mass).
- It highlights that these terms can remain ambiguous due to variations in the type of amount (analyte) and system (liquid, gas, solid).
- The discussion emphasizes the need for precise definitions to avoid misinterpretation in scientific communication.
Key Insights:
- Provides a clear distinction between concentration and content based on the denominator (volume vs. mass).
- Explains how different types of amounts and systems lead to various specific concentration and content measures.
- Offers a framework for understanding these metrological concepts in biological and chemical contexts.
Outlook:
- Promotes the adoption of standardized nomenclature and terminology in metrology, chemistry, and clinical laboratory sciences.
- Aims to enhance the clarity and accuracy of scientific reporting and inter-laboratory comparisons.
- Facilitates better understanding and application of biological quantity measurements in research and practice.
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