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Microspheres

Small, spherical particles available in a range of sizes, colors, and material compositions, and possessing various surface modifications for specialized applications. These applications include use in assaying, calibration, labeling, flow cytometry, etc.
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1 – 15 of 24 results
1

BD Biosciences™ PLT Control Kit (CE/IVD)

To monitor methods for enumeration of residual leucocytes in leucoreduced platelet products.

2

BD Biosciences™ RBC Control Kit (CE/IVD)

To monitor methods for enumeration of residual leucocytes in leucoreduced RBC products.

3

BD Biosciences™ Control Beads, Flow Cytometer (CE/IVD)

For use as a control for certain elements of the absolute counting process.

4

BD Biosciences™ RBC and PLT Control Kit (CE/IVD)

To monitor methods for enumeration of residual leucocytes in leucoreduced platelet products.

5
Promotions Available

Invitrogen™ TetraSpeck™ Microspheres, 0.1 μm, fluorescent blue/green/orange/dark red

Beads that each display four well-separated excitation/emission peaks

EDGE
6

Thermo Scientific™ Ezy-Cal™ Count Precision Size Standards

Meet the unique and demanding requirements of the contamination control laboratory in modern industries.

Stability Product stable for a minimum of three months
Contents Polystyrene microspheres in water
Product Type Count Control Particles
Color White or Colorless
Refractive Index 1.59 at 589nm (25°C)
Quantity 100 mL
Material Polystyrene
Concentration 2000 particles/mL ± 10%
For Use With (Application) Liquid Particle Counter Calibration
7

Invitrogen™ FocalCheck™ Fluorescence Microscope Test Slide #1, for alignment, intensity, & calibration

For confocal and fluorescence microscope calibration

EDGE
8

Thermo Scientific™ COUNT-CAL™ Count Precision Size Standards

Minimize contamination by eliminating the need for serial dilutions and extensive sample handling with Thermo Scientific™ COUNT-CAL™ Count Precision Size Standards.

Includes Certificate of Calibration and Traceability to NIST, Particle Counting Protocol
Stability Product stable for a minimum of six months
Description Products provide a precise method for calibrating or checking the performance of laser particle counters
Contents Polystyrene microspheres in water
Product Type Count Control Particles
Color White or Colorless
Refractive Index 1.59 at 589nm (25°C)
Quantity 6 x 25 mL
Material Polystyrene
Concentration 3000 particles/mL ± 10%
Certifications/Compliance Certificate of Calibration and Traceability to NIST
For Use With (Application) Liquid Particle Counter Validation,USP Verification
Size Distribution <3%
9

Thermo Scientific™ 3K/4K Series Particle Counter Standards

Ensure accurate and convenient calibration of laser particle counters with Thermo Scientific™ 3K/4K Series Particle Counter Standards.

Includes Certificate of Calibration and Traceability to NIST
Additive Contains trace amount of surfactant to inhibit agglomeration and promote stability
Description NIST traceable particles that provide calibration of laser particle counters
Contents Polymer particles in water
Product Type Count Control Particles
Color White or Colorless
Refractive Index 1.59 at 589nm (25°C)
Quantity 15 mL
Material Polystyrene
For Use With (Application) Laser Particle Counter Calibration
11

Thermo Scientific™ PHARM-TROL™ Count Precision Size Standards

Document the reproducibility of a particle counter by permitting a continuous record of its performance.

Includes Certificate of Calibration and Traceability to NIST
Particle Density 1.05g/cm3
Stability Product stable for a minimum of 12 months
Contents Polystyrene microspheres in water
Product Type Count Control Particles
Color White or Colorless
Refractive Index 1.59 at 589nm (25°C)
Material Polystyrene
Concentration 3800 particles/mL ± 15%
For Use With (Application) USP Verification
Size Distribution <3%
13

Thermo Scientific™ Validex™ Count Precision Size Standards

Validate the performance of liquid particle counters with Thermo Scientific™ Validex™ Count Precision Size Standards.

Content And Storage Unless otherwise stated, refrigerate (2° to 8°C) product when not in use but do not freeze. Store upright and keep bottle tightly sealed. Mix product with gentle inversion by hand or vortex mixer.
Stability Product stable for a minimum of 3 months
Description Designed specifically for the drinking water industry to validate the performance of liquid particle counters.
Color White or Colorless
Quantity 500 mL
Material Polystyrene
Concentration 1000 particles/mL ± 10%
For Use With (Application) Liquid Particle Counter Validation
Size Distribution <3
Includes Certificate of Calibration and Traceability to NIST
Additive Contains trace amount of surfactant
Contents Polymer particles in water
Product Type Count Control Particles
Refractive Index 1.59 at 589nm (25°C)