Microspheres
Microspheres
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Filtered Search Results
Thermo Scientific™ 3000 Series Nanosphere™ Size Standards
Conveniently check the sizes of bacteria, viruses, ribosomes and sub-cellular components with these size standards.
Particle Density | 1.05g/cm³ |
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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 24 months |
Description | 3000 Series Nanosphere Size Standards come in optimized concentrations for easy dispersal and colloidal stability. |
Color | White or Colorless |
Quantity | 15 mL |
Material | Polystyrene |
Concentration | 1% solids |
For Use With (Application) | Electron Microscope Calibration |
Includes | Certificate of Calibration and Traceability to NIST |
Additive | Contains trace amount of surfactant to inhibit agglomeration and promote stability |
Contents | Polymer particles in water |
Product Type | Size Standard Particles |
Refractive Index | 1.59 at 589nm (25°C) |
Thermo Scientific™ 9000 Series Glass Particle Standards
Replace polystyrene spheres in many applications with dry glass NIST™-traceable size standards.
Content And Storage | Store at room temperature. Keep bottle tightly sealed to avoid contamination. |
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Additive | None |
Stability | Product stable for a minimum of 24 months |
Product Type | Size Standard Particles |
Color | White |
Quantity | 1 g |
For Use With (Application) | Narrow Size Standard Deviation Applications |
Thermo Scientific™ 4D Series Dry Microsphere Size Standards
Calibrate airborne optical particle counters to comply with ISO 21501-4 with Thermo Scientific™ 4D Series Dry Microsphere Size Standards.
Content And Storage | Unless otherwise stated, store at ambient room temperature. Store upright; keep bottle tightly sealed. Mix product with gentle inversion by hand or vortex mixer. |
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Additive | Trace flow agent |
Contents | 1g |
Product Type | Size Standard Particles |
Color | White |
Refractive Index | 1.59 at 589nm (25°C) |
Material | Polystyrene Divinylbenzene (PS-DVB) |
Concentration | 100% solids |
Certifications/Compliance | Certificate of Calibration and Traceability to NIST, MSDS |
For Use With (Application) | Airborne Optical Particle Counter Calibration |
Thermo Scientific™ Duke Standards™ 2000 Series Uniform Polymer Particles
Analyze wide size range materials through laser diffraction or other methods with uniform polymer particles that mimic real world particles.
Includes | Material Safety Data Sheet (MSDS), Certificate of Calibration and Traceability to NIST |
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Particle Density | 1.05g/cm³ |
Content And Storage | Store at room temperature or keep refrigerated. Keep bottle tightly sealed to avoid contamination. |
Additive | Contains trace amount of surfactants |
Stability | =24 months |
Product Type | Polymer Particles |
Color | White or Colorless |
Refractive Index | 1.59 at 589nm (25°C) |
Quantity | 15 mL |
Material | Polystyrene Divinylbenzene (PS-DVB) |
For Use With (Application) | Narrow Size Standard Deviation Applications |
Thermo Scientific™ Dri-Cal™ Particle Size Standards
Use Thermo Scientific™ Dri-Cal™ Particle Size Standards for calibrating particle sizing and counting instruments that require dry particles.
Particle Density | 1.05g/cm³ |
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Content And Storage | Store at room temperature in a dry area. Store upright and keep bottle tightly sealed. Respiratory protection from dust is recommended. |
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. |
Color | White |
Quantity | 1 g |
Material | Polystyrene Divinylbenzene (PS-DVB) |
Concentration | 100% solids |
For Use With (Application) | Dry Particle Counter Calibration |
Includes | Certificate of Calibration and Traceability |
Additive | May contain trace amount of dispersant |
Contents | Dry dyed polystyrene (DVB) microspheres |
Product Type | Size Standard Particles |
Refractive Index | 1.59 at 589nm (25°C) |
Thermo Scientific™ SURF-CAL™ Particle Size Standards
Simplify the preparation of calibration wafers with these particle size standards.
Includes | Certificate of Calibration and Traceability to NIST |
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Particle Density | 1.05g/cm³ |
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. |
Additive | None |
Stability | Product stable for a minimum of 12 months |
Contents | Polystyrene microspheres in deionized, filtered water |
Product Type | Size Standard Particles |
Refractive Index | 1.59 at 589nm (25°C) |
Quantity | 50 mL |
Material | Polystyrene |
For Use With (Application) | SSIS Calibration and Maintenance |
Thermo Scientific™ ChromoSphere™-T Certified Size Standards
Achieve high visual contrast with Thermo Scientific™ ChromoSphere™-T Certified Size Standards, colored polymer microspheres with NIST™-traceable diameters.
Particle Density | 1.05g/cm³ |
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Content And Storage | Store at room temperature in a dry area. Store upright and keep bottle tightly sealed. Respiratory protection from dust is recommended. |
Stability | Product stable for a minimum of 24 months |
Description | Designed for use as reference or calibration materials in applications where high contrast is required. |
Quantity | 1 g |
Material | Polystyrene Divinylbenzene (PS-DVB) |
Concentration | 100% solids |
For Use With (Application) | Cleaning Evaluation,High Contrast Reference and Calibration |
Includes | Certificate of Calibration and Traceability to NIST |
Additive | May contain trace amount of dispersant |
Contents | Dry dyed polystyrene (DVB) microspheres |
Product Type | Size Standard Particles |
Refractive Index | 1.59 at 589nm (25°C) |
Certifications/Compliance | Certificate of Calibration and Traceability to NIST |
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 |
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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% |
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 |
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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% |
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. |
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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) |
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 |
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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 |
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 |
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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 |
Thermo Scientific™ 4000 Series Monosized Particles
Minimize response of analytic systems to shape effects with monosized particles.
Includes | Certificate of Calibration and Traceability to NIST |
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Particle Density | 1.05g/cm³ |
Stability | Product stable for a minimum of 24 months |
Description | NIST traceable particles that provide calibration of laser particle counters |
Product Type | Size Standard Particles |
Color | White or Colorless |
Material | Polystyrene |
Certifications/Compliance | Each package of standards contains a Certificate of Calibration and Traceability to NIST which includes a description of the calibration method and its uncertainty, and a table of chemical and physical properties. |
For Use With (Application) | Narrow Size Standard Deviation Applications |
Invitrogen™ Dynabeads™ MyOne™ Tosylactivated
When you wish to covalently couple antibodies, peptides, intact proteins, and functional enzymes to the surface of a magnetic bead choose Dynabeads Tosylactivated.
Shipping Condition | Room Temperature |
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Content And Storage | Store at 2°C to 8°C. |
Purity or Quality Grade | Research Grade |
Format | Beads in solution |
Product Type | Tosylactivated Bead |
Surface Functionality | p-Toluene-Sulfonyl, Tosylactivated |
Sample Type | Any Sample Type |
High-throughput Compatibility | High-throughput Compatible |
Elution Volume Min | 5 μL |
Product Line | DYNAL™, Dynabeads™, MyOne™ |