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Detachable L-Shaped Glassy Carbon Electrode φ6mm

SKU: EWC111G6

Special Price €458.95

Regular Price: €572.95

Description

• Fits all major brands of potentiostats
• This is a customized item, invalid for refund or exchange.
• Size: φ6mm

Glassy carbon electrode is one of the most widely used working electrodes, and it is a better inert electrode. Glassy carbon electrode has many advantages such as good conductivity, high hardness, high finish, high hydrogen overpotential, and wide polarization range. Its chemical properties are very stable, and it can be used as an inert electrode for direct anodic dissolution testing, and voltammetric determination of cathodes and variable valence ions. Using glassy carbon electrodes as the substrate, chemically modified electrodes can also be prepared.

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Product Details

For some in-situ Raman characterizations with very high test requirements, the focusing distance will be required to be relatively close. At this time, a detachable L-shaped disc electrode can realize the adjustable distance between the surface material of the working electrode and the quartz plate, and the shortest distance can reach 0.5mm. DekResearch offers two such disc-mounted electrodes, which can be used instead of PEEK platinum electrode clamps. Commonly used are glassy carbon electrodes and gold disk electrodes, and other materials also support customization.

The φ6mm glassy carbon electrode jacket insulation rod is a PEEK rod with a Teflon isolation ring. A Teflon isolation ring is embedded between the PEEK insulation material and the glassy carbon disc. Due to the hydrophobic nature of the Teflon material, the surface tension of the solution increases, which can prevent the solution sample on the electrode surface from spreading to the surroundings to obtain a good electrode surface modification effect.

Choosing φ6mm glassy carbon as the substrate is also considering that more materials can be modified to facilitate the final laser Raman spectroscopy characterization test.

The electrode must be designed as a detachable structure with threaded connection. This facilitates the electrode tip to pass through the working electrode hole through the φ35mm window, so that it can be screwed to the electrode rod and conduct electricity. And make sure that the screw connection after tightening is outside the O-ring to prevent the electrolyte from contacting the connection.

Specification:
disk diameter: 6mm
conductive copper rod: φ2*20 mm
body material: PEEK wrapped with PTFE isolation ring
PTFE isolation ring diameter:7mm
body diameter: 6mm
body length: 80mm
L-rod diameter:12mm
L-rod length:10.5mm

NOTICE:

1.This is a customized item, we can't offer any refund or exchange. If you have any questions before purchasing, please feel free to communicate with us.

2.The listed price is only the individual price of an electrode. If the electrode polishing kit is needed, it needs to be purchased separately and shipped separately.

Product Includes:
1 * Detachable L-shaped glassy carbon electrode with gold-plated pin
1 * cap
1 * fluorine rubber O-ring

References:

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PRODUCT RELATED

Q.
How to choose ordinary electrochemical cell and sealed electrochemical cell?
A.
Regardless of the user's tightness requirements for the actual test, the sealed electrochemical cell is the first choice. The sealed electrolytic cell is equipped with hollow sealing screws and fluorine rubber O-rings to install and seal the entire device, and then pass inert gas into the cell body to drive out the excess gas inside the cell body to realize the test of the system in an inert environment. If there is no requirement for tightness, no ventilation operation is required. However, if you choose an ordinary electrochemical cell, the related operations of the sealed electrolytic cell cannot be realized.
Q.
What volume of electrochemical cell is suitable to choose?
A.
The volume of the electrolytic cell should be selected moderately. If the volume is too large, the amount of solution will be too much, which is unnecessary. During electrochemical measurement, the electrode surface undergoes oxidation and reduction reactions, and some substances in the solution are reduced by participating in the electrode reaction. At the same time, some reaction products will dissolve into the solution. If the volume of the electrolytic cell is too small, the solution concentration will change significantly during the long-term steady-state measurement, which will eventually affect the experimental results. In most cases, the volume of 50ml and 100ml are more choices.
Q.
How to choose a working electrode?
A.
Common working electrodes include disk electrodes and replaceable electrode holders. The disk electrode is suitable as the base of the modified material, and it is modified to the base area of the disk electrode by mixing a membrane solution or the like with a powdered material. And if the material being studied is a sheet-like structure or the material can be modified to suitable materials such as conductive glass, carbon paper, carbon cloth, etc., it is more practical to choose a replaceable electrode clip.
Q.
How to choose a counter electrode?
A.
One of the important parameters of the counter electrode is its surface area. The counter electrode must have a large enough area to support the current conduction generated on the working electrode. Generally, the area of the counter electrode is 3-5 times the area of the working electrode. When choosing a disk electrode as the working electrode, platinum wire electrode is a good choice. When choosing sheet materials as working electrodes, platinum wire ring electrodes and platinum sheet electrodes are good choices.
Q.
How to choose a reference electrode?
A.
Generally speaking, calomel electrode or Ag/AgCl reference electrode is used in neutral system. Since the potential of calomel electrode changes greatly with temperature, when the temperature exceeds 70 degrees, it needs to be used with a salt bridge or replaced Use Ag/AgCl reference electrode. Hg2SO4 reference electrodes are generally suitable for sulfuric acid or sulfate systems. Hg/HgO reference electrodes are generally suitable for alkaline electrolyte solutions, of which the strong alkali system also needs to be used with a salt bridge, and the filling liquid in the salt bridge is consistent with the filling liquid of the reference electrode. The non-aqueous organic system needs to use a Ag/Ag+ reference electrode. When using a non-aqueous Ag/Ag+ reference electrode, the user needs to prepare a solution containing supporting electrolyte and silver ions (usually 10mM) and inject it into the reference electrode chamber. Due to shipping safety considerations, all reference electrodes are not filled with solution. Before use, the user needs to prepare an internal solution to fill it into the electrode.
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A.
Yes, We have regular promo activities for all our customers. We do offer discounts to our customers who buy in bulk. We are appreciated for your inquire through E-mail. service@dekresearch.com.


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