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Glassy Carbon

ALS, Japan are dealing with various kinds of Glassy Carbon products. Customer’s special processing order such as pipe, pot shape etc. or custom sizing order is also available.

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Category Tag
Different size glassy carbon

Description

  • High-purity
  • Excellent Stability as high as at 3,000 °C in vacuum / at 500 °C in the air
  • Well Inert against Chemical erosion
  • Impermeability to Gas and Solution
  • Significant Hardness / Strength
  • Brings Fine surface condition after polishing
  • Favorable electric conducting property
  • Dielectric characteristics in High-frequency
  • Highly Resistant against Inorganic and Organic salts
  • Good Bio-Compatibility
  • Isotropic Physical/Chemical properties

Physical Property

Other than Film Film
Density 1.42 g/cm3 1.54 g/cm3
Ash content < 100 ppm
Upper Temparature Limit in vacuum 3,000 °C 1,000 °C
Porosity 0%
Gas Transmission Rate 10-9 cm2/s 10-11 cm2/s
Hardness 230 HV1 340 HV1
Bending Strength 260 N/mm2 210 N/mm2
Compressive Strength 480 N/mm2 580 N/mm2
Young´s Modulus 35 kN/mm2
Thermal Expansion Coefficient (20-200 °C) 2.6 x 10-6 /K 3.5 x 10-6 /K
Heat Conducting (@30 °C) 6.3 W/(m•K) 4.3 W/(m•K)
Electrical resistivity 45 µΩ•m 50 µΩ•m

Characteristic

Glassy Carbon has a quite unique structure. This material contains random combination of basal plane and edge plane. The figure, at the right, shows the model illustration introduced by G. M. Jenkins and K. Kawamura. It becomes an outstanding material, which can be used for the electrode in an analytical chemistry domain as electrochemical measurements, detection of high-speed liquid chromatography, biosensor and others.

Glassy Carbon has quite unique structure. As the figure below shows, this material contains random combination of basal plane and edge plane.

Glassy Carbon_Structure
La: Intraplanar Microcrystaline Size, Lc: Interplanar Microcrystaline Size
(G.M. Jenkins and K. Kawamura: Nature 231,175 (1971).)

Rod

Rod type
GC-Rod
Catalog No. Description
010761 R-1 Glassy carbon rod OD: 1 mm L: 100 mm
010762 R-2 Glassy carbon rod OD: 2 mm L: 100 mm
010763 R-3 Glassy carbon rod OD: 3 mm L: 100 mm

 

Size range available for customized product

  • diameter from 1 to 10 mm
  • length until 800 mm

Plate

Plate type
GC-Plate
Catalog No. Description
012825 P-1 Glassy carbon plate 10x10x1 mmt
012086 P-1 Glassy carbon plate 25x25x1 mmt
012087 P-2 Glassy carbon plate 25x25x2 mmt
012088 P-3 Glassy carbon plate 25x25x3 mmt

Size range available for customized product

  • within 300 x 300 mm, thickness of 0.3, 0.5 and 1 to 6 mm

Film

Film type
GC-Film
Catalog No. Description
012089 F-100 Glassy carbon film 25x25x0.1 mmt

Size range available for customized product

  • within 100 x 100 mm
  • thickness of 60, 100 and 140 µm

Powder

Powder type
GC-Powder
Catalog No. Description
012090 S-12 Glassy Carbon powder (Spherical) 0.4-12 µm, 10 g
012091 S-20 Glassy Carbon powder (Spherical) 10-20 µm, 10 g

Electrode

Working Electrode

Glassy carbon electrode

Glassy Carbon Electrode
Catalog No. Description Isolation Outler diameter Inner diameter
002417 GCE Glassy Carbon electrode PEEK 10 mm 5 mm
012744 LGCE Glassy Carbon electrode (110 mm) PEEK 6 mm 3 mm
002012 GCE Glassy Carbon electrode PEEK 6 mm 3 mm
012297 GCE Glassy Carbon electrode PEEK 6 mm 1.6 mm
002411 GCE Glassy Carbon electrode PEEK 6 mm 1 mm
012298 SGCE Glassy Carbon electrode PEEK 3 mm 1.6 mm
002412 SGCE Glassy Carbon electrode PEEK 3 mm 1 mm
002002 MCE Micro Carbon fiber electrode Glass 4 mm 33 µm
002007 MCE Micro Carbon fiber electrode Glass 4 mm 7 µm

Glassy carbon electrode with Teflon ring

Glassy Carbon electrode with a Teflon ring.
Feature
• Conventional electrode
• Wide over-potentials for oxygen and hydrogen evolution
• Chemically stable
• Improved to facilitate the handling to obtain a chemically modified electrode



 
SEC-C Thin Layer Quartz Glass Spectroelectrochemical cell Kit
working electrode
For the GCEt Glassy carbon electrode, a Teflon spacer was included between the PEEK insulation and glassy carbon disk. For the property of the material, it will avoid that the sample spreads, to get the chemically modified surface.
 

Catalog No. Description Isolation OD ID
013714 GCEt Glassy carbon electrode PEEK 6 mm 3 mm
013715 GCEt Glassy carbon electrode PEEK 10 mm 5 mm

Wide selection of the working electrode is available. Customization is also available.

Ring/Disk and Disk Electrodes

RRDE and RDE Electrode
Catalog No. Description Length
(mm)		 OD
(mm)		 Ring size
ID/OD
(mm)		 Disk
diameter
(mm)
Ring/Disk Electrode
011162 RRDE Pt Ring/GC Disk Electrode 25 12 5.0/7.0 4.0
011163 RRDE Au Ring/GC Disk Electrode 25 12 5.0/7.0 4.0
012132 RRDE GC Ring/GC Disk Electrode 25 12 5.0/7.0 4.0
013336 DRE-PGK Pt ring/GC disk replaceable electrode kit 25 12 5.0/7.0 4.0
Disk Electrode
011169 RDE GCE Glassy carbon Disk Electrode 25 12 — 3.0
013490 RDE GCEt Glassy carbon Disk Electrode 25 12 — 3.0
013482 RDE GCE Glassy carbon Disk Electrode 25 12 — 5.0
013491 RDE GCEt Glassy carbon Disk Electrode 25 12 — 5.0
013362 DRE-GCK GC disk replaceable electrode kit 25 12 — 3.0

RDE and RRDE were designed to fit in the RRDE-3A Rotating Ring Disk Electrode Apparatus.
Custom made electrode for RDE (rotating disk electrode) or RRDE (rotating ring disk electrode) is available.

Cross flow cell & Radial flow cell (Working electrode)

Cross flow cell and Radial flow cell
Catalog No. Description Dimension
001000 Glassy Carbon electrode for cross flow cell dia. 3 mm x 2 (dual type),
Size: 25 x 25 mm
001006 Glassy Carbon/Gold Electrode for cross flow cell dia. 3 mm x 2 (dual type),
Size: 25 x 25 mm
012583 Glassy Carbon/Platinum Electrode for cross flow cell dia. 3 mm x 2 (dual type),
Size: 25 x 25 mm
012124 Glassy Carbon electrode for radial flow cell dia. 3 mm (Single),
Size: 25 x 25 mm
001016 Glassy Carbon electrode for radial flow cell dia. 6 mm (Single),
Size: 25 x 25 mm

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