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205915

Sigma-Aldrich

Platinum black

greener alternative

black, powder, ≤20 μm, ≥99.95% trace metals basis

Sinônimo(s):

Platinum gray, Pt, Pt Black

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250 MG
R$ 311,00
1 G
R$ 1.176,00
5 G
R$ 4.563,00

R$ 311,00


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250 MG
R$ 311,00
1 G
R$ 1.176,00
5 G
R$ 4.563,00

About This Item

Fórmula empírica (Notação de Hill):
Pt
Número CAS:
Peso molecular:
195.08
Número CE:
Número MDL:
Código UNSPSC:
12161600
ID de substância PubChem:
NACRES:
NA.22

R$ 311,00


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Nível de qualidade

Ensaio

≥99.95% trace metals basis

Formulário

powder

adequação da reação

core: platinum
reagent type: catalyst

características do produto alternativo mais ecológico

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

área da superfície

~25 m2/g

tamanho de partícula

≤20 μm

categoria alternativa mais ecológica

cadeia de caracteres SMILES

[Pt]

InChI

1S/Pt

chave InChI

BASFCYQUMIYNBI-UHFFFAOYSA-N

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Aplicação

Platinum black (black, powder, ≤20 μm) can be electroplated on implantable microelectrode arrays (MEAs) to improve the impedence of the device.[1] It can also be used as a microelectrode for the formation of a microfluidic electrochemical sensor for glucose sensing applications.[2] It can be used as a photocathode for the production of hydrogen.[3]
Platinum black can be used as a catalyst to facilitate the electrochemical reactions in proton exchange membrane (PEM) fuel cells. These fuel cells are promising candidates as a clean and energy efficient power source.[4][5]

Outras notas

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for energy efficiency. Find details here.

Pictogramas

Flame

Palavra indicadora

Danger

Frases de perigo

Declarações de precaução

Classificações de perigo

Flam. Sol. 1

Código de classe de armazenamento

4.1B - Flammable solid hazardous materials

Classe de risco de água (WGK)

nwg

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable


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Os clientes também visualizaram

Composition and performance modelling of catalyst layer in a proton exchange membrane fuel cell
Marr C
Journal of Power Sources, 77(1), 17-27 (1999)
Optimum Nafion content in PEM fuel cell electrodes
Sasikumar G
Electrochimica Acta, 50.2-3, 601-605 (2004)
Improving impedance of implantable microwire multi-electrode arrays by ultrasonic electroplating of durable platinum black
Arcot Desai S, et al.
Frontiers in Neuroengineering, 3, 5-5 (2010)
Revealing the semiconductor-catalyst interface in buried platinum black silicon photocathodes
Aguiar JA, et al.
Journal of Material Chemistry A, 4(21), 8123-8129 (2016)
A droplet-based microfluidic electrochemical sensor using platinum-black microelectrode and its application in high sensitive glucose sensing
Gu S, et al.
Biosensors And Bioelectronics, 55, 106-112 (2014)

Questions

1–2 of 2 Questions  
  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. 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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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. 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/449/386/product-dating-information-mk.pdf

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