Free Sample Colloidal Gold


Our colloidal gold is an aqueous suspension of spherical metallic nanoparticles manufactured to the highest standard to ensure:

  • Uniform spherical shape
  • Narrow size distribution: 40nm ± 4nm, <10% CV
  • Ultra high quality
  • Batch-to-batch consistency
  • High efficiency antibody binding for maximum sensitivity
  • Available at high concentrations to simplify assay development

View Range

We can supply any of our colloidal gold in quantities to suit your research and manufacturing needs. Our bulk products have the same high level of performance and quality as our off-the-shelf products only on a larger scale. To request a quote click here.


*T&Cs apply: free samples only available for new customers of colloidal gold. Free samples are not available through distributors and re-sellers. Only one sample kit per person. Free worldwide shipping. Only while stocks last.

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