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
900561
Graphene
powder, electrical conductivity >103 S/m, avg. no. of layers, < 3
Synonyma:
few layers graphene, graphene powder
Vybrat velikost
| Vám/Skladová položka | Dostupnost | Cena |
|---|---|---|
500 mg | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 10 200,00 Kč |
O této položce
10 200,00 Kč
Quality Segment
form
powder
feature
avg. no. of layers< 3
greener alternative product characteristics
Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.
sustainability
Greener Alternative Product
surface area
>500 m2/g , BET
greener alternative category
General description
- Thickness: <3 layers.
- Lateral size : 0.5-5 μm.
Application
Graphene/polyaniline nanocomposites- modified electrodes can be used for the determination of heavy metals.
Heat-treated graphene nanosheets can be used to prepare solid adsorbents for rapid and selective CO2 capture applications.
Features and Benefits
- Superior electrical conductivity
- Large surface area
- High mechanical strength
- High degree of flexibility
1 of 1
Tato položka | |||
|---|---|---|---|
| form powder | form film | form film | form dispersion in H2O |
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 100 |
| 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 |
| feature avg. no. of layers< 3 | feature avg. no. of layers 1 | feature avg. no. of layers 1 | feature avg. no. of layers 1 |
| surface area >500 m2/g , BET | surface area - | surface area - | surface area - |
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Skladovací třída
13 - Non Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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How can I determine the shelf life / expiration / retest date of this product?
1 answer-
Helpful?
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
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
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What is the particle size??
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As reported in the 'DESCRIPTION' section of the product page, the lateral size range is 0.5-5 μm.
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What chemical can completely degrade Graphene?
What chemical can completely degrade Graphene?
1 answer-
Potassium permanganate has the potential to oxidize graphene and ultimately completely etch the entire graphene to form MnO2, as detailed in the following paper; https://pubs.acs.org/doi/pdf/10.1021/nn101857y?src=getftr
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