Microspheres | Thermo Fisher Scientific

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...

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.

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.

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

Material: Polystyrene Divinylbenzene (PS-DVB). Contents: Dry dyed polystyrene (DVB) microspheres. Stability: Product stable for a minimum of 24 months. Description: Used for calibrating particle sizing and counting instrumentation that require dry particles for measuring dry media.

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

Stability: Product stable for a minimum of 12 months. Additive: None. Product Type: Size Standard Particles. Particle Density: 1.05g/cm³

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.

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...

Fluoro-Max Dyed Red Aqueous Fluorescent Particles, 3μm

Product Type: Fluorescent Particle. Dye Type: Firefli Fluorescent Red (542/612nm). Stability: Product stable for a minimum of 24 months. Color: Red.

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

Product Type: Polymer Particle Suspensions. Stability: Product stable for a minimum of 24 months. Description: Particles useful for such applications as filter evaluation, checking and testing, light scattering research, fluid mechanics research, aerosol particle generation, dispersion studies, and many other research and development projects. They are not intended for use in instrument calibration. Concentration: 10%.