Description
Cobalt (Co) Nanopowder / Nanoparticles (99.8%, 28 nm, Partially Passivated, Metal Basis)
Our high-purity Cobalt (Co) Nanoparticles are partially passivated with ~0.8% oxygen for safe shipping, without compromising performance. Produced via advanced laser evaporation technology, these nanoparticles offer exceptional magnetic and electromagnetic properties, making them ideal for cutting-edge research and industrial applications. With a spherical morphology, ultra-fine size of 28 nm, and large surface area (40–60 m²/g), this material ensures high reactivity and excellent dispersibility.
Technical Specifications:
| Property | Value |
|---|---|
| Purity (Metal Basis) | 99.8% |
| Average Particle Size (APS) | 28 nm |
| Specific Surface Area (SSA) | 40–60 m²/g |
| Color | Black |
| Morphology | Spherical |
| Bulk Density | 0.10–0.25 g/cm³ |
| True Density | 8.92 g/cm³ |
| Manufacturing Method | Laser Evaporation |
| Oxygen Content | ~0.8% (passivation layer) |
| Flammable Hazard | UN3089 |
Elemental Analysis (wt%):
Cr: 0.0002 | Fe: 0.01 | Mn: 0.0029 | Ni: 0.08 | Si: 0.004
Applications
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Electromagnetic Wave Absorption & Shielding – Effective in reducing electromagnetic interference (EMI) in electronics and communication devices.
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Ferrofluids – For use in magnetic seals, damping, and precision engineering applications.
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High-Density Magnetic Storage – Enhances capacity and performance in magnetic recording media.
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Magnetic Inks & Toners – Applied in security printing, anti-counterfeit inks, and xerographic printing.
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MRI Contrast Agents – Potential use in medical imaging research.
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Advanced Nanocomposites – Improves mechanical, thermal, and magnetic properties.
Handling & Storage Guidelines
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Handle with care — avoid violent vibration, impact, and friction.
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Store in a cool, dry, vacuum-sealed environment, away from heat, sunlight, and moisture.
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Intended for professional use only. Users must be trained in nanopowder handling and safety procedures.

