Microspheres | Thermo Fisher Scientific

4000 Series Monosized Particles, 50.2μm ±0.3μm dia.

Minimize response of analytic systems to shape effects with Thermo Scientific™ 4000 Series Monosized Particles, excellent for use with any application that requires a NIST™ traceable size standard with a very narrow standard deviation.

3000 Series Nanosphere™ Size Standards, 799nm±9nm

Conveniently check the sizes of bacteria, viruses, ribosomes and sub-cellular components with Thermo Scientific™ 3000 Series Nanosphere™ Size Standards, excellent for use with any application that requires a NIST™ traceable size standard with a very narrow standard deviation.

Fluoro-Max Dyed Blue Aqueous Fluorescent Particles, 2μm

Achieve improved sensitivity and detectability in analytical methods with Thermo Scientific™ Fluoro-Max Blue Aqueous Fluorescent Particles, internally dyed microsphere suspensions that feature bright, high-contrast colors.

4D Series Dry Microsphere Size Standards, 10μm

Calibrate airborne optical particle counters (OPC) to comply with ISO 21501-4 regulations with the Thermo Scientific™ 4D Series Dry Microsphere Size Standards. Ideal for instrument manufacturers, as well as QA/QC managers in pharmaceutical, biotech and electronics manufacturing, these microsphere...

Dri-Cal™ Particle Size Standards, 49.4μm ± 1.6μm, 49.4μm ± 1.6μm, σ = 3.5μm, 7.1% CV

Particle Density: 1.05g/cm³ Additive: May contain trace amount of dispersant. Material: Polystyrene Divinylbenzene (PS-DVB). Quantity: 1 g.

SURF-CAL™ Particle Size Standards, 0.100μm certified peak dia., 3 x 10¹⁰ particles/mL, Certified peak dia.: 0.100μm; Particles/mL: 3 x 10⁸

Particle Density: 1.05g/cm³ For Use With (Application): SSIS Calibration and Maintenance. Includes: Certificate of Calibration and Traceability to NIST. Product Type: Size Standard Particles.

5000 Series 0.03μm to 0.30μm Polymer Particle Suspensions, 0.14μm

Optimize research in light scattering, microporous filter checking, and aerosol particle generation with Thermo Scientific™ 5000 Series 0.03μm to 0.30μm Polymer Particle Suspensions. These particles are designed to meet the need for particulate materials with a variety of particle sizes and...

3K/4K Series Particle Counter Standards, 25μm, Dia.: 24.61μm ± 0.22μm, σ = 0.27μm, 1.1% CV

Ensure accurate and convenient calibration of laser particle counters with Thermo Scientific™ 3K/4K Series Particle Counter Standards. Compared with our 3000 and 4000 Series products, this product line is precisely diluted for immediate use in laser particle counters with minimal time-consuming...

COUNT-CAL™ Count Precision Size Standards, 50μm, 50.2μm ± 0.3μm, σ = 0.5μm, 1.0% CV

Minimize contamination by eliminating the need for serial dilutions and extensive sample handling with Thermo Scientific™ COUNT-CAL™ Count Precision Size Standards, a cost-effective, convenient and easy to use product for validating liquid particle counters.

Fluoro-Max Dyed Red Aqueous Fluorescent Particles, 3μm

Stability: Product stable for a minimum of 24 months. Particle Density: 1.05g/cm³ Product Type: Fluorescent Particle. Color: Red.

5000 Series 1.0μm to 3.2μm Polymer Particle Suspensions, 3.2μm

Stability: Product stable for a minimum of 24 months. For Use With (Application): Aerosol Particle Generation. Additive: Contains trace amount of surfactant to inhibit agglomeration and promote stability. Product Type: Polymer Particle Suspensions.