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267201

Sigma-Aldrich

Platinum

wire, diam. 0.5 mm, 99.99% trace metals basis

Sinônimo(s):

Platinum element, Platinum gray

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About This Item

Fórmula empírica (Notação de Hill):
Pt
Número CAS:
Peso molecular:
195.08
Número CE:
Número MDL:
Código UNSPSC:
12141734
ID de substância PubChem:
NACRES:
NA.23

Ensaio

99.99% trace metals basis

forma

annealed
wire

resistividade

10.6 μΩ-cm, 20°C

Diâmetro

0.5 mm

pb

3827 °C (lit.)

pf

1772 °C (lit.)

densidade

21.45 g/cm3 (lit.)

cadeia de caracteres SMILES

[Pt]

InChI

1S/Pt

chave InChI

BASFCYQUMIYNBI-UHFFFAOYSA-N

Descrição geral

Platinum (Pt) is a highly ductile, malleable and unreactive metal. It is resistant to corrosion and stable at high temperatures. Although resistant to hydrochloric and nitric acid, it dissolves readily in hot aqua regia to form chloroplatinic acid.

Aplicação

Pt wire may be used :
  • as a microelectrode-indicator electrode in voltammetry
  • as a transvascular embolic agent
  • to study chronopotentiometry of hydrogen peroxide with a platinum wire electrode or
  • in gas detection instruments.

Quantidade

400 mg = 10 cm; 2 g = 50 cm

Código de classe de armazenamento

13 - Non Combustible Solids

Classe de risco de água (WGK)

nwg

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable


Certificados de análise (COA)

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Voltammetry with Stationary Microelectrodes of Platinum Wire.
Laitinen HA and Kolthoff IM
The Journal of Physical Chemistry, 45(7), 1061-1079 (1941)
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
Yuan Xiong et al.
Organic letters, 15(8), 1962-1965 (2013-04-12)
Metal-mediated rearrangements of 3-alkynyl flavone ethers are reported. The overall process involves 5-endo enyne cyclization to a platinum-containing spiro-oxocarbenium intermediate which may be trapped with methanol to produce spirodihydrofurans or further rearranged to afford either allenyl chromanediones or benzofuranones.
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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
Shai Rozen et al.
Plastic and reconstructive surgery, 131(6), 1253-1265 (2013-05-30)
Left untreated, paralytic lagophthalmos may result in corneal dryness, ulcerations, and subsequent blindness. The most common nondynamic surgical solution is upper eyelid weight placement in a superficial, pretarsal pocket, carrying the risk of visibility, extrusion, and entropion. The authors present

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