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298093

Sigma-Aldrich

Platinum

gauze, 100 mesh, 99.9% trace metals basis

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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:
12141734
PubChem Substance ID:
24857957
NACRES:
NA.23

Quality Level

100

Assay

99.9% trace metals basis

form

gauze

resistivity

10.6 μΩ-cm, 20°C

particle size

100 mesh

bp

3827 °C (lit.)

mp

1772 °C (lit.)

density

21.45 g/cm3 (lit.)

SMILES string

[Pt]

InChI

1S/Pt

InChI key

BASFCYQUMIYNBI-UHFFFAOYSA-N

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General description

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.

Application

Mixtures of hydrogen in air was converted to water on a heated platinum surface. Pt may be used :
  • as a microelectrode-indicator electrode in voltammetry
  • to study chronopotentiometry of hydrogen peroxide with a platinum wire electrode or
  • in gas detection instruments.
  • as electrode in spectrochemical cell to measure the electrochemical properties of aqueous solutions of epinephrine, dopamine, and norepinephrine.

Quantity

425 mg = 25 × 25 mm; 1.7 g = 50 × 50 mm

Storage Class Code

13 - Non Combustible Solids

WGK

nwg

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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