If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf
702129
Aluminum oxide
Alternativa più ecologica
nanoparticles, <50 nm particle size (DLS), 20 wt. % in isopropanol
Sinonimo/i:
Alumina
Scegli un formato
| A voi/SKU | Disponibilità | Prezzo |
|---|---|---|
100 g | Per informazioni sulla disponibilità, contatta il Servizio Clienti. | 177,00 € |
500 g | Per informazioni sulla disponibilità, contatta il Servizio Clienti. | 604,00 € |
Informazioni su questo articolo
177,00 €
Quality Segment
form
dispersion, nanoparticles
greener alternative product characteristics
Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.
sustainability
Greener Alternative Product
concentration
20 wt. % in isopropanol
particle size
<50 nm (DLS)
pH
8-10
density
0.79 g/cm3 at 25 °C
greener alternative category
SMILES string
O=[Al]O[Al]=O
InChI
1S/2Al.3O
InChI key
TWNQGVIAIRXVLR-UHFFFAOYSA-N
General description
Application
- Elemental analysis of levitated solid samples by microwave-assisted laser induced breakdown spectroscopy.: This study explores the application of aluminium oxide in enhancing the elemental analysis capabilities of laser induced breakdown spectroscopy, providing a novel approach for high precision chemical analysis in analytical chemistry (Alamri AM et al., 2024).
- An ab initio molecular dynamics investigation of the behaviour of amorphous substances in anodic aluminium oxide under electric field.: This research presents a molecular-level understanding of how amorphous substances behave within anodic aluminium oxide structures when subjected to an electric field, offering insights into the material′s stability and reactivity (An Z et al., 2024).
- Alternative nano-lithographic tools for shell-isolated nanoparticle enhanced Raman spectroscopy substrates.: The article discusses the utilization of aluminium oxide in the development of advanced nano-lithographic tools, significantly enhancing the performance of Raman spectroscopy for chemical detection and analysis (Srivastava K et al., 2024).
- Unexpected early loosening of rectangular straight femoral Zweymüller stems with an alumina-reduced surface after total hip arthroplasty-a prospective, double-blind, randomized controlled trial.: This study examines the clinical implications of using aluminium oxide in prosthetic implants, specifically its effect on the longevity and stability of femoral stems in hip arthroplasty (Moret CS et al., 2024).
- Green Synthesis of Aluminum Oxide Nanoparticles Using Clerodendrum phlomidis and Their Antibacterial, Anti-inflammatory, and Antioxidant Activities.: Investigates the biogenic synthesis of aluminium oxide nanoparticles, highlighting their potential in biomedical applications due to their antibacterial, anti-inflammatory, and antioxidant properties (Thanaraj S et al., 2024).
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Questo articolo | |||
|---|---|---|---|
| concentration 20 wt. % in isopropanol | concentration 20 wt. % in H2O | concentration - | concentration - |
| form dispersion, nanoparticles | form dispersion, liquid (suspension), nanoparticles | form nanopowder | form nanopowder |
| pH 8-10 | pH - | pH - | pH - |
| density 0.79 g/cm3 at 25 °C | density 1.06 g/mL at 25 °C | density - | density - |
| sustainability Greener Alternative Product | sustainability Greener Alternative Product | sustainability Greener Alternative Product | sustainability Greener Alternative Product |
| greener alternative product characteristics Design for Energy Efficiency | greener alternative product characteristics Design for Energy Efficiency | greener alternative product characteristics Design for Energy Efficiency | greener alternative product characteristics Design for Energy Efficiency |
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signalword
Danger
hcodes
Hazard Classifications
Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3
target_organs
Central nervous system
Classe di stoccaggio
3 - Flammable liquids
wgk
WGK 1
flash_point_f
53.6 °F - closed cup
flash_point_c
12 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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How can I determine the shelf life / expiration / retest date of this product?
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Utile?
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Are these Al2O3 nanoparticles in alpha or gamma phase?
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The Al2O3 particles are in the gamma crystal phase.
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How is shipping temperature determined? And how is it related to the product storage temperature?
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Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
Utile?
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"nanoparticles, <50 nm particle size (DLS), 20 wt. % in isopropanol" コーティング用添加剤として興味があります。 粒子形状がわかる画像、粒度分布のデータはありますでしょうか。
1 risposta-
Unfortunately, particle images and size distribution data are not available.
Regarding the use of this material as a coating additive, more information is needed. The information you are requesting can be supplied by our Technical Service team who can assist you further. We kindly ask you to navigate to the link https://www.sigmaaldrich.com/techservice, and click on "Product Technical Inquires" under the Products Section with all the required information so that a member of our team can reach out to you to assist further. Thank you.
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