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Description

Silver (Ag) Nanopowder/Nanoparticles

Purity: >99.9+% | Particle Size: 30–50 nm | Stabilized with ~0.25% PVP | Shape: Spherical

This silver nanopowder is stabilized with ~0.25% PVP (polyvinylpyrrolidone) to ensure superior dispersibility and stability in diverse applications. With a particle size between 30–50 nm and ultra-high purity (>99.995%), it is widely used in antibacterial coatings, advanced catalysis, diagnostics, and electronics.


Technical Properties

Property Value
Purity (Ag, Metal Basis) >99.9+%
Stabilizer ~0.25% PVP
Color Black
Shape Spherical
Crystal Structure Cubic
Average Particle Size 30–50 nm
Specific Surface Area 7.0–10.0 m²/g
Bulk Density 1.24 g/cm³
True Density 10.6 g/cm³
Melting Point 961.9 °C
Boiling Point 2212 °C
Atomic Weight 107.87

Elemental Composition

Element Content (%)
Ag ≥99.95
Cu ≤0.010
Fe ≤0.003
Bi, Pb, Sb ≤0.002

Key Applications

Antimicrobial & Disinfectant Use
Ideal for coatings, packaging, and medical devices, silver nanoparticles provide long-term protection against a broad spectrum of pathogens such as E. coli and S. aureus.

Catalysis
Silver nanoparticles enhance reaction rates and efficiency in catalytic processes such as ethylene oxidation, making them valuable in chemical synthesis.

Biotechnology & Medical Research
Used in genetic diagnostics, AIDS drug development, and targeted delivery systems due to their bioactivity and reactivity.

Consumer Goods
Incorporated into appliances, toys, textiles, and food packaging to add antibacterial and odor-control properties.

Smart Coatings & Paints
Applied to construction materials and surfaces to ensure antibacterial resistance and corrosion protection.

Additional information

Gram

1 g, 5 g, 25 g, 100 g