ASTM E3269
Standard Test Method for Determination of the Mass Fraction of Particle-Bound Gold in Colloidal Gold Suspensions
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About This Item
ASTM E3269 is the standard test method for determining the mass fraction of particle-bound gold in colloidal gold suspensions. It provides a technical basis for measuring how much gold is associated with particles within a colloidal system, which can be important for product characterization, quality control, and consistent reporting. By defining a recognized test method, ASTM E3269 helps support more reliable evaluation of colloidal gold materials used in analytical and technical applications.
What is ASTM E3269?
ASTM E3269 is a test method focused on measuring the mass fraction of particle-bound gold in colloidal gold suspensions. Based on the standard title, its purpose is to provide a structured approach for analyzing the gold content associated with suspended particles rather than the overall suspension alone. This makes it a useful technical document for laboratories and organizations that need repeatable measurement and clearer comparison of colloidal gold products. ASTM E3269 supports more consistent testing terminology and results.
Where is ASTM E3269 used?
This standard is commonly used in laboratory and quality assurance settings that work with colloidal gold suspensions. It is relevant wherever particle-bound gold content needs to be measured in a controlled and repeatable way, such as in material testing, product verification, or incoming inspection of colloidal gold-based materials. ASTM E3269 is especially useful in workflows that require documented test results for technical evaluation, comparison between batches, or compliance with internal specifications.
Why is ASTM E3269 important?
ASTM E3269 helps improve consistency in how particle-bound gold is measured in colloidal gold suspensions. A recognized test method can reduce ambiguity, support better quality control, and make results easier to compare across laboratories or production lots. For procurement, product evaluation, and technical reporting, it provides a common reference that may lower measurement risk and support more confident decision-making. Using ASTM E3269 can also help align testing practices with a formal ASTM standard.
- Mass fraction of particle-bound gold
- Colloidal gold suspension testing
- Laboratory measurement consistency
- Quality control and product verification
- Standardized technical reporting
- Publication Date: 2021-07-07
- Publisher: ASTM
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