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205915

Sigma-Aldrich

Platinum black

greener alternative

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

Synonym(s):

Platinum gray, Pt, Pt Black

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About This Item

Empirical Formula (Hill Notation):
Pt
CAS Number:
7440-06-4
Molecular Weight:
195.08
EC Number:
231-116-1
MDL number:
MFCD00011179
UNSPSC Code:
12352300
PubChem Substance ID:
24852362
NACRES:
NA.22

Quality Level

200

assay

≥99.95% trace metals basis

form

powder

reaction suitability

core: platinum
reagent type: catalyst

greener alternative product characteristics

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

surface area

~25 m2/g

particle size

≤20 μm

greener alternative category

Enabling,

SMILES string

[Pt]

InChI

1S/Pt

InChI key

BASFCYQUMIYNBI-UHFFFAOYSA-N

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Application

Platinum black (black, powder, ≤20 μm) can be electroplated on implantable microelectrode arrays (MEAs) to improve the impedence of the device. It can also be used as a microelectrode for the formation of a microfluidic electrochemical sensor for glucose sensing applications. It can be used as a photocathode for the production of hydrogen.
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.

Other Notes

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.

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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)
Muhammad Rashid et al.
Journal of nanoscience and nanotechnology, 13(5), 3627-3633 (2013-07-19)
Platinum nanoparticles (Pt NPs) were chemically deposited on a Nafion polymer electrolyte membrane by the impregnation-reduction (I-R) procedure to prepare an active electrode for solid electrochemical sensors. Various analysis methods such as SEM, EDX, XRD and cyclic voltammogram (CV) measurements
Wei Sun et al.
Materials science & engineering. C, Materials for biological applications, 33(4), 1907-1913 (2013-03-19)
In this paper a platinum (Pt) nanoparticle decorated graphene (GR) nanosheet was synthesized and used for the investigation on direct electrochemistry of myoglobin (Mb). By integrating GR-Pt nanocomposite with Mb on the surface of carbon ionic liquid electrode (CILE), a
Loris De Cecco et al.
PloS one, 8(3), e58849-e58849 (2013-03-14)
We recently reported that peritumoral CpG-ODN treatment, activating TLR-9 expressing cells in tumor microenvironment, induces modulation of genes involved in DNA repair and sensitizes cancer cells to DNA-damaging cisplatin treatment. Here, we investigated whether this treatment induces modulation of miRNAs
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