ASTM E3247

ASTM E3247 is a technical standard focused on measuring the size of nanoparticles in aqueous media using dynamic light scattering. It provides a structured approach for characterizing dispersed nanoparticles in water-based systems, helping users generate more consistent and comparable results. For laboratories, manufacturers, and quality teams working with nanoparticle suspensions, this ASTM standard supports more reliable testing and better control of particle-size data that may influence product evaluation and performance decisions.

What is ASTM E3247?

ASTM E3247, Standard Test Method for Measuring the Size of Nanoparticles in Aqueous Media Using Dynamic Light Scattering, addresses a specific test approach for nanoparticle sizing in liquid systems. The standard centers on dynamic light scattering, a commonly used analytical technique for estimating particle size in suspension. As an ASTM standard, it is intended to help establish a more consistent framework for measuring nanoparticles in aqueous media, supporting repeatable results across testing environments and applications.

Where is ASTM E3247 used?

ASTM E3247 is typically used in laboratories and technical workflows that evaluate nanoparticle suspensions in water-based media. It may be relevant in research, product development, and quality control settings where particle size data is needed for material characterization or comparison. The standard is especially useful when dynamic light scattering equipment is used to assess dispersed nanoparticles and when consistent measurement practice is important for reporting, review, or internal acceptance decisions.

Why is ASTM E3247 important?

This standard matters because nanoparticle size measurements can be sensitive to test conditions, sample handling, and instrument setup. ASTM E3247 helps promote more uniform testing practice, which can improve confidence in reported results and reduce uncertainty during product evaluation. For organizations that need dependable nanoparticle data, it supports better consistency in quality control, compliance-related documentation, and procurement or development decisions. ASTM E3247 can also help limit variation between laboratories or test runs.

• Nanoparticle sizing in aqueous media
• Dynamic light scattering-based measurement
• Repeatable laboratory testing
• Quality control and product evaluation
• Consistent technical reporting