High Purity Nano Ag Silver powder cas 7440-22-4, 99%

Nano Silver is Silver in a form of nanoparticles. Its size is typically 25 nanometers. Nano silver is effective at killing and inhibiting a wide range of microorganisms. Purity>99%
Particle size range: 20 to 500nm

About The Nano Silver Ag Powder
Silver is Ag. Silver Nanoparticles (also called Nano Silver or Ag nanoparticles), is a metal Silver of a nanoscale.

Is Nano silver healthy?
The nanosilver size is usually around 25 nanometers. This has a strong inhibitory and killing effect against dozens pathogenic microorganisms like Escherichia coli, Neisseria gonorrhoeae or Chlamydia trochomatis and won't produce drug resistance. Cotton socks are made of nanometer-sized silver and combed fiber cotton. They have antibacterial, deodorant and antifungal properties.

Does Nano Silver kill germs
Silver nanoparticles, apart from being able release silver ions themselves, can kill bacteria. Silver nanoparticles are able to accumulate on the surface of the cell after anchoring. The accumulation of silver nanoparticles may cause denaturation in cell membranes.

Does Nano Silver kill the good bacteria?
Silver Nanoparticles have a significant role in microelectronics due to their excellent conductivity. Due to their surface effect and quantum-size effect, silver nanoparticles are also used in some special applications such as surface enhanced Raman applications or medical applications.

Is colloidal or nano-silver better?
Coloidal silvercannot use with other beneficial agents, and has only a weak impact on biofilm. This means that it is not able to protect the enamel and balance the oral microbiofilm by reducing acids. Nano Silver can be applied at lower concentrations to penetrate biofilms.
nanosilveris powdered elemental silver, particle size of which is less than or equal to 100nm. The average particle size ranges between 25-50nm. The size of the silver nanoparticles is directly related to its properties. According to studies, the smaller the particle sizes are, the better the bactericidal properties.

What are the side effect of nano-silver?
Silver nanoparticles are absorbed by the lungs, the intestine and the skin and can reach the liver, kidneys, spleens, brains, hearts and testes. Nanosilver is known to cause mild irritations of the skin and eyes. It may also cause mild skin allergies.
Silver Nanopower/Nanopower can be used for a wide range of applications including pharmacological, conductive, antimicrobial and chemical. Nanopower can easily be dispersed in various solvents such as water, alcohol and isopropyl, to make a convenient solution. Researchers continue to discover new uses for silver nanoparticles, such as in biotechnology and medicine. They also find them useful in electronics, manufacturing, and electronic devices.

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Description of Nano Ag Silver Cas 7440-22-4 :
Micronized silver, or Ag Powder, is a type of metallic argent with nanoscale particles.

Most nano silver particles have a size of around 25nm. Animals were not poisoned by silver nanoparticles even when the dosage was thousands of time higher than the standard dose.

Moreover, it also repairs the epithelial damaged cells. The antibacterial properties of Ag nanoparticles are enhanced in water.
Experts think that this nano-silver antibacterial nanopowder could be widely used for environmental protection, textiles, clothing and food.

What is the production process of Nano Ag silver powder ?
Nano-silver is prepared in several ways: by crushing it, by vacuum condensation or by mechanical ball milling. Chemical methods include the reduction method. Electrochemical reduction method. Photoreduction method. Gas-liquid 2-phase method. Hydrothermal synthesis. Precipitation method. The methods for preparing silver nanoparticles has become increasingly mature. Cost and efficiency of production have also reached a level that is suitable for large-scale production. Nano-silver particle's development prospects are very wide, as they are a brand new material. This is true for fields such as medicine, biology and the environment.

Nano-silver powder ?
The nanosilver particles, are the most attractive of all nanomaterials. These particles have been used for a wide range of biomedical purposes, such as drug delivery, diagnosis, medical device coatings, and personal care.

What are the uses of nano silver?
Nanosilver contains silver nanoparticles. These particles can be used in water treatment for industrial purposes and as antibacterial or antifungal agents in consumer products.
1. The nano-silver powder may be used in pharmaceutical antibacterial or disinfectant applications;
2. Some countries use Ag Microparticles in anti-AIDS drugs mixed with zinc dioxide powder for disinfection.
3. The metal powder can be used as a chemist's catalyst.
4. Also, the nano silver powder is used as Antivirus Antibacterial material. Adding 0.1% of silver nanoparticles can be an important part of the suppression and death of dozens micro-organisms including Escherichia colitis, Staphylococcus aureus.
5. Nanoparticles of silver Ag nanoparticles, a new product with anti-infective properties that are non-resistance and pH-free, can be used to make medical and household fabrics, and in health care products. They also have antibacterial and durable properties.
6. In addition to the preservation and construction of relics, nano silver powder can be added as an antibacterial coating.
These manufacturers produce products that use the antibacterial properties provided by silver nanoparticles. The nano-silver coatings are used on refrigerators with air conditioners or washing machines.
7. The nano silver powder can be used in other applications such as: toys, clothing, food containers, masks for the face, HEPA filters and laundry detergent. Conductive slurry
8. The silver nanoparticles in nano silver powder are widely used to wire, encapsulate and connect in the microelectronics sector. This is important for the minimization and reduction of electronic devices. Silver nanoparticles have a high efficiency and speed of chemical reaction, for example, ethylene oxidation. Biological pharmacy
9. The nano-silver powder can be used to diagnose gene mutations and cell death.

Storage Conditions of Nano Ag Silver Powder:
Ag powder performance and effects will be affected by dampness. Therefore, Ag silver powder should be packed in vacuum and stored in cool, dry rooms. The silver Ag can't be exposed to the air. Ag powder is also not to be used under pressure.

Packing & Shipping Nano Ag silver powder ?
Silver Ag powder is available in a variety of different packaging options.
Silver Ag powder packaging: Vacuum packed, 100g/bag, 500g/bag or 1kg/bag. 25kg/barrel or your request.
Shipping silver Ag powder is possible by air or sea as soon after payment as possible.


Technology Co. Ltd., () is an established global chemical material manufacturer and supplier with over 12 years' experience in the production of high-quality nanomaterials. These include boride powders, nitride particles, graphite particles, sulfide particles, 3D-printing powders, etc.
Contact us to send a request for more information. (brad@ihpa.net)

Nano Silver Powder Properties

Alternative Names Silver nanopowder (AgNPs), Silver nanocrystals (Ag NPs), Nano-silver
Silver nanoparticles, silver nanopowder, and nanosilver
CAS Number 7440-22-4
Compound Formula You can also find out more about Ag
Molecular Mass 107.87
Appearance Gray to Black Powder
Melting Point 660
Boiling Point 2162
Specific Area 5.37 m2/g
Solubility In H2O N/A
Thermal Expander (25 degC) 18.9 um*m-1*K-1

Nano Silver Powder Health & Safety Information

Sign Word Warning
Hazard Statements H400-H410
Hazard Codes Xn
Risk Codes 22-36/38-50/53
Safety Declarations 22-60-61
Transport Information UN 3077 9, PGIII

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