Count Standard Microspheres

Product Introduction:
Count standard microspheres are specialized particles created from size standard microspheres through a meticulous dilution process. This results in products that not only have precise particle sizes but also accurate particle counts. These microspheres are optimized for direct use in validating and monitoring particle counters, eliminating the need for users to adjust concentrations, which can be both time-consuming and prone to errors.

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Background Introduction

Particle counters are sophisticated instruments designed to measure the size and concentration of particles suspended in a fluid, typically air or liquid. Particle counters are essential tools in various fields, including environmental monitoring, industrial contamination control, and quality assurance in manufacturing processes. They help ensure the effectiveness of filtration systems, monitor particulate levels in cleanrooms, and verify the quality of products like pharmaceuticals and chemicals, providing critical data for maintaining standards and compliance. To ensure their accuracy and reliability, particle counters require regular validation and calibration.

Count standard microspheres are specifically designed for the development, calibration, and validation of particle counting equipment. These microspheres provide a reliable solution for users to validate and calibrate particle counters during troubleshooting or routine maintenance, helping to ensure that the instrument operates properly and produces accurate data.

Our Products

The count standard microspheres offered by Alfa Chemistry are primarily used for the instrument calibration and performance evaluation of particle counters in cleanrooms and their pollution monitoring fields. Our products have a particle size range from 0.5 to 20 μm, with sizes traceable to National Institute of Standards and Technology (NIST) standard reference materials. Additionally, this product series is precisely diluted and supplied in a 10 mL suspension form for easy use. If you have any needs or questions, please do not hesitate to contact us.

Catalog Number	Description	Concentration
NM-MSPs040	Count standard microspheres, polystyrene, 0.5 μm	1×10⁹ microspheres/mL
NM-MSPs041	Count standard microspheres, polystyrene, 1.0 μm	1×10⁹ microspheres /mL
NM-MSPs042	Count standard microspheres, polystyrene, 3.0 μm	5×10⁷ microspheres /mL
NM-MSPs043	Count standard microspheres, polystyrene, 5.0 μm	1×10⁷ microspheres /mL
NM-MSPs044	Count standard microspheres, polystyrene, 10 μm	1×10⁶ microspheres /mL
NM-MSPs045	Count standard microspheres, polystyrene, 15 μm	1×10⁶ microspheres /mL
NM-MSPs046	Count standard microspheres, polystyrene, 20 μm	3×10⁵ microspheres /mL

*Other specifications can be customized according to customer requirements.

Technical Features

Matrix: Polystyrene
Particle Size Range: 0.5-20 μm
Density: 1.05 g/cm³
Refractive Index: 1.59@589 nm
Preservation Solution: Pure water

Product Advantages

Our product's advantages include highly precise particle sizes, narrow particle size distributions, and accurate particle counts. The calibrated average particle size strictly adheres to the measurement procedures provided by the NIST. These features ensure the uniformity and reliability of the product series, making them an ideal choice for direct use in the validation and monitoring of particle counters.

You Need to Know

Our products will settle over time, please mix thoroughly before use.
Our products need to be sealed and stored at 2-8 °C, do not freeze. Freezing can cause particles to aggregate, which could compromise the accuracy of the assigned count.
Our products are for scientific research use only and should not be used for other purposes.