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.

Catalog Number	Particle Size	Solids Content
NM-MSPs036	Nanoscale: 50 nm, 100 nm, 150 nm, 200 nm, 300 nm, 400 nm, 500 nm, 600 nm, 700 nm, 800 nm, 900 nm	1% w/v
NM-MSPs037	Microscale: 1 μm, 1.5 μm, 2 μm, 3 μm, 4 μm, 5 μm, 6 μm, 7 μm, 8 μm, 9 μm, 10 μm, 12 μm, 15 μm, 20 μm, 25 μm, 30 μm, 40 μm, 50 μm, 75 μm, 100 μm	1% w/v
NM-MSPs038	Microscale: 150 μm	4% w/v
NM-MSPs039	Microscale: 200 μm	5% w/v

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.