40nm Standard Polystyrene Microspheres SPS40-10 5%

40nm Standard Polystyrene Microspheres SPS40-10

SHBC SPS40-10 are uniform 40nm polystyrene nanoparticles supplied as a 5% solids suspension.

The microspheres are suitable for particle-size measurement research, instrument performance verification, microscopy studies, colloidal analysis and nanomaterial development.

Product Specifications

Key Product Advantages

• Uniform nominal 40nm particle size

• High 5% solids content

• Spherical polystyrene nanoparticles

• Good suspension and dilution flexibility

• Suitable for nanoparticle measurement research

• Compatible with multiple characterization methods

• Research samples and bulk quantities available

• Custom concentration and packaging supported

Why Choose 40nm Polystyrene Microspheres?

The 40nm particle size is suitable for studying the lower measurement range of nanoparticle characterization systems.

The 5% solids suspension provides sufficient material for:

• Serial dilution

• Repeated testing

• Method optimization

• Dispersion studies

• Laboratory quality control

• Pilot-scale research

• Industrial development

Particle Size Measurement Research

SPS40-10 can be evaluated for particle-size analyzer performance verification and analytical method development.

Potential applications include:

• Dynamic light scattering

• Laser light scattering

• Nanoparticle size analysis

• Measurement repeatability testing

• System suitability evaluation

• Inter-instrument comparison

• Sample preparation optimization

Final results may be influenced by concentration, dispersing medium, temperature, viscosity and instrument settings.

Dynamic Light Scattering Applications

The microspheres can be used for DLS method development and routine performance checks.

Users should optimize:

• Dilution ratio

• Sample concentration

• Dispersing medium

• Measurement temperature

• Refractive-index settings

• Medium viscosity

• Measurement duration

• Data-analysis model

The DLS hydrodynamic diameter may differ from the particle diameter measured by electron microscopy.

Electron Microscopy

SPS40-10 can be evaluated for:

• Transmission electron microscopy

• Scanning electron microscopy

• Nanoparticle imaging

• Particle morphology observation

• Image-analysis development

• Magnification and scale evaluation

Appropriate sample preparation is required to reduce aggregation and drying artifacts.

Atomic Force Microscopy

The 40nm polystyrene microspheres may be used in AFM research involving:

• Nanoscale particle imaging

• Surface-height measurement

• Probe-response evaluation

• Particle deposition studies

• Image-analysis method development

The substrate and deposition method should be optimized for the application.

Colloid and Dispersion Research

SPS40-10 can be used as a model polymer nanoparticle in liquid-system research.

Potential applications include:

• Colloidal stability

• Particle aggregation

• Salt-induced destabilization

• Surfactant evaluation

• Surface adsorption

• Dispersion formulation

• Particle–particle interactions

• Particle–surface interactions

Filtration and Membrane Research

The 40nm microspheres can be evaluated for:

• Nanofiltration studies

• Membrane retention testing

• Particle transport research

• Pore-performance evaluation

• Filter-material development

• Separation-method research

Nanomaterial Research

Uniform polystyrene nanoparticles are suitable for:

• Polymer nanocomposites

• Nanoparticle assemblies

• Coating development

• Optical material research

• Surface modification studies

• Environmental particle research

• Model nanoparticle systems

Recommended Sample Preparation

1. Mix the original suspension thoroughly.

2. Dilute with filtered water or a compatible dispersing medium.

3. Use clean, low-particle-background containers.

4. Prepare low concentrations by serial dilution.

5. Avoid contamination from dust and larger particles.

6. Confirm particle dispersion before measurement.

7. Prepare fresh diluted samples when possible.

Handling Recommendations

• Mix thoroughly before sampling.

• Avoid vigorous shaking that introduces bubbles.

• Protect the suspension from contamination.

• Do not allow the particles to dry.

• Avoid freezing and repeated freeze–thaw cycles.

• Use clean laboratory consumables.

• Verify compatibility before adding salts or solvents.

• Follow the product label for storage conditions.

Quality and Batch Documentation

Available documentation may include:

• Product specification

• Nominal particle size

• Solids-content information

• Batch identification

• Particle-size test data when applicable

• Storage recommendations

• Safety Data Sheet

Certified diameter, measurement uncertainty and metrological traceability should only be claimed when specifically included in the supplied batch documents.

Customization and Bulk Supply

SHBC supports standard polystyrene microspheres for laboratory research, analytical method development and industrial projects.

Customization options include:

• Different particle sizes

• Solids-content adjustment

• Suspension-medium adjustment

• Surface functionalization

• Custom packaging

• Research samples

• Pilot-scale supply

• Bulk manufacturing

• OEM and ODM cooperation

Why Choose SHBC?

Shanghai SanYu Biotechnology Co., Ltd. manufactures standard and functional microspheres for particle analysis, diagnostic research, optical materials and industrial applications.

SHBC provides:

• Controlled particle-size production

• Stable suspension formulation

• Batch quality control

• Flexible solids concentrations

• Custom packaging

• Technical application support

• Research samples

• Reliable bulk supply

Frequently Asked Questions

What is SPS40-10?

SPS40-10 is a 40nm standard polystyrene microsphere suspension with 5% solids content.

Is 40nm equal to 0.04µm?

Yes. A particle diameter of 40nm is equal to 0.04µm.

Can SPS40-10 be used for DLS?

Yes. It can be evaluated for DLS method development, repeatability testing and instrument performance verification.

Is SPS40-10 a certified reference material?

It should only be described as certified or traceable when certification, measurement uncertainty and traceability information are included in the supplied batch documents.

Can it be used for TEM or SEM?

Yes. The particles can be evaluated using electron microscopy after suitable sample preparation.

Can it be used for AFM?

Yes. SPS40-10 may be evaluated for nanoscale particle imaging and AFM method development.

Does SPS40-10 require dilution?

Most analytical applications require dilution. The optimal concentration depends on the instrument and measurement method.

Why choose a 5% solids suspension?

The 5% concentration provides flexibility for serial dilution, repeated measurement, formulation research and larger-scale projects.

Can SHBC provide other particle sizes?

Yes. SHBC supplies standard polystyrene microspheres in multiple nanoscale and microscale particle sizes.

Is bulk production available?

Yes. SHBC supports research samples, customized packaging, pilot quantities and bulk manufacturing.

Ordering Information

Product Name: 40nm Standard Polystyrene Microspheres
Catalog Number: SPS40-10
Nominal Particle Size: 40nm
Equivalent Particle Size: 0.04µm
Solids Content: 5%
Material: Polystyrene
Brand: SHBC
Manufacturer: Shanghai SanYu Biotechnology Co., Ltd.

Contact SHBC for samples, technical documents, customized concentrations and bulk production quotations.

For research and manufacturing use. Product suitability should be validated for the final measurement method and application.