Size Standard Microspheres

Product Introduction:
Size standard microspheres are highly uniform spherical particles used as calibration and reference standards in various scientific and industrial applications. These microspheres are precisely manufactured to have consistent and well-defined particle sizes, typically ranging from nanometers to micrometers. They are commonly made from materials such as polystyrene, and are utilized to calibrate and validate instruments like flow cytometers and particle size analyzers.

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Our Products

Our size standard microspheres are National Institute of Standards and Technology (NIST) traceable polystyrene microspheres with highly uniform particle size. They are packaged in dropper bottles and are mainly in the form of a 1 % solids (w/v) aqueous suspension. All of our microspheres standards are determined by Coulter counter, centrifugal disc photometer, dynamic light scattering, TEM, SEM, and optical microscope against Standard Reference Materials (SRMs) from the NIST. Their particle size range is between 0.05 to 200 μm, which can meet the needs of users for different particle size selections. If you are interested in our products, please feel free to contact us.

Technical Features

• Matrix: Polystyrene
• Density: 1.05 g/cm³
• Refractive Index: 1.59@589 nm
• Preservation Solution: Pure water

Product Characteristics

• Broad size range available from nanoscale to microscale
• Perfect spherical morphology
• Narrow particle size distribution
• High chemical stability

You Need to Know

• Our products need to be sealed and stored at 2-8 °C, do not freeze.
• Our products are for scientific research use only and should not be used for other purposes.

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