One milliliter of dispersion contains 0.02g of silver nanoparticles as listed in the "Properties" section.
730807
Silver, dispersion
nanoparticles, 40 nm particle size, 0.02 mg/mL in aqueous buffer, contains sodium citrate as stabilizer
Synonym(s):
Colloidal silver
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About This Item
Linear Formula:
Ag
CAS Number:
Molecular Weight:
107.87
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352302
MDL number:
Pricing and availability is not currently available.
form
nanoparticles
Quality Segment
contains
sodium citrate as stabilizer
concentration
0.02 mg/mL in aqueous buffer
refractive index
n20/D 1.333
particle size
40 nm
density
0.990 g/mL at 25 °C
fluorescence
λem 412 nm FWHM 63 nm
storage temp.
2-8°C
SMILES string
[Ag]
InChI
1S/Ag
InChI key
BQCADISMDOOEFD-UHFFFAOYSA-N
General description
Our silver nanoparticles (40 nm in diameter) are spherical nanoparticles of metallic silver dispersed in an aqueous citrate buffer. This buffer stabilizes the dispersion; citrate ions adsorb onto the surface of the silver nanoparticles and create a protective layer that prevents aggregation. Because of the nanoparticles′ small size the nanoparticles exhibit quantum confined optical properties, most notably an emission wavelength of (λem) of412 nm with a full width at half maximum (FWHM) of only 63 nm, owing to the monodispersity of the particles. The optoelectronic properties in combination with a high surface area make our silver nanoparticles useful in biosensors and fluorescent imaging for the sensitive detection of biomolecules, pathogens, and environmental contaminants.
Application
- Silver as acrolein hydrogenation catalyst: intricate effects of catalyst nature and reactant partial pressures.: This study explores the use of silver as a catalyst for acrolein hydrogenation, highlighting the complex effects of catalyst nature and the partial pressures of reactants, which could inform future applications in industrial chemical processes (Bron et al., 2007).
- Surface-enhanced Raman analysis of sulfa drugs on colloidal silver dispersion.: This research discusses the application of surface-enhanced Raman spectroscopy (SERS) using colloidal silver dispersions for analyzing sulfa drugs, potentially enhancing detection methods in pharmaceutical research (Sutherland et al., 1990).
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This Item | |||
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| description nanoparticles, 40 nm particle size, 0.02 mg/mL in aqueous buffer, contains sodium citrate as stabilizer | description nanoparticle, 30-35 wt. % in triethylene glycol monoethyl ether, spec. resistivity ~ 7 μΩ-cm, for printing on ITO films | description nanoparticles, 20 nm particle size, 0.02 mg/mL in aqueous buffer, contains sodium citrate as stabilizer | description nanoparticle, for printing on ITO and glass |
| particle size 40 nm | particle size ≤50 nm | particle size 20 nm | particle size ≤10 nm |
| form nanoparticles | form nanoparticle, dispersion | form nanoparticles | form dispersion, nanoparticle |
| concentration 0.02 mg/mL in aqueous buffer | concentration 30-35 wt. % in triethylene glycol monoethyl ether | concentration 0.02 mg/mL in aqueous buffer | concentration - |
| storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 20-25°C |
| contains sodium citrate as stabilizer | contains - | contains sodium citrate as stabilizer | contains - |
| fluorescence λem 412 nm FWHM 63 nm | fluorescence - | fluorescence λem 401 nm FWHM 66 nm | fluorescence - |
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Hazard Codes
Precautionary Statements
Hazard Classifications
Aquatic Chronic 2
Storage Class
12 - Non Combustible Liquids
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
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Hello, excuse me, could you give me the data on the concentration of the number of silver nanoparticles per milliliter?
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