Products Lab Consumables & Materials Electrochemical Consumables Platinum Auxiliary Electrode for Laboratory Use
Platinum Auxiliary Electrode for Laboratory Use

Electrochemical Consumables

Platinum Auxiliary Electrode for Laboratory Use

Item Number : ELPA

Price varies based on specs and customizations


$25.90 / set


Features
Corrosion Resistant
Applicable temperature range
0 ~ 80℃
Wire diameter
0.5 / 1mm
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Introduction

Auxiliary electrodes are often fabricated from electrochemically inert materials such as gold, platinum, or carbon. The material used to make an auxiliary electrode must be an inert material like graphite or a noble metal such as gold, carbon, or platinum. The purpose of the auxiliary electrode is to provide a pathway for current to flow in the electrochemical cell without passing significant current through the reference electrode.

The Platinum Auxiliary Electrode is ideal for electrochemical experiments, featuring complete models constructed with high-quality materials. It is not only safe and durable, but also customizable to meet your specific needs. 

Technical specifications

Platinum Wire Ring Electrode

Platinum Wire Ring Electrode
Caption
Features Corrosion Resistant
Applicable temperature range 0 ~ 80℃
Wire diameter 0.5 / 1mm
Material pure platinum
Customize material (gold, silver, platinum, copper) and rod length to your needs.

Platinum wire electrode

Platinum wire electrode
1. Pure platinum wire; 2. PTFE rod; 3. Gold-plated terminal
Features Corrosion Resistant
Applicable temperature range 0 ~ 80℃
Wire diameter 0.5 / 1mm
Material PTFE Rod + Platinum Wire
Customize material (gold, silver, platinum, copper) and rod length to your needs.

60 mesh platinum mesh electrode

60 mesh platinum mesh electrode
1. Pure platinum mesh; 2. Teflon stem; 3. Gold-plated binding posts
Features Corrosion Resistant
Applicable temperature range 0 ~ 80℃
Size 5*5~ 50*50mm
Material PTFE Rod + Platinum Mesh
Pure platinum wire braided mesh electrode, high purity and large surface area.

Platinum column electrode

Platinum column electrode
Caption
Features Corrosion Resistant
Applicable temperature range 0 ~ 80℃
Wire diameter 1mm ~ 2mm
Material PTFE Rod + Platinum
Customize material (gold, silver, platinum, copper) and rod length to your needs.

Detail & Parts

Platinum Auxiliary ElectrodesPlatinum Auxiliary Electrode detailPlatinum Auxiliary ElectrodesPlatinum Auxiliary Electrode and electrolytic cellPlatinum Auxiliary Electrode and electrolytic cellPlatinum Auxiliary Electrode detailPlatinum Auxiliary ElectrodesPlatinum Auxiliary ElectrodesPlatinum Auxiliary ElectrodesPlatinum Auxiliary Electrode and electrolytic cell

Features

The Platinum Auxiliary Electrode is an essential component for any electrochemistry setup. It provides a stable and inert surface for the transfer of electrons between the working electrode and the solution, ensuring accurate and reliable measurements.

  • High surface area: The platinum gauze working electrode has a high surface area, which allows for a greater current flow and faster electron transfer, making it ideal for bulk electrolysis.
  • Inert material: Platinum is an inert material, which means that it will not react with the solution or the working electrode, ensuring that the measurements are not affected by any chemical reactions.
  • Corrosion-resistant: Platinum is a corrosion-resistant metal, which means that it will not corrode or degrade over time, ensuring a long lifespan for the electrode.
  • Durable: Platinum is a durable material, which means that it can withstand repeated use and harsh conditions, making it an excellent choice for demanding applications.
  • Versatile: The Platinum Auxiliary Electrode can be used in a wide range of applications, including electrochemistry, electroplating, and corrosion testing, making it a valuable tool for any laboratory.

Applications

Platinum auxiliary electrodes are widely used in various electrochemical applications, including:

  • Electrochemical cells: As the counter electrode in electrochemical cells, facilitating electron transfer and maintaining charge balance.
  • Voltammetry: As the counter electrode in cyclic voltammetry (CV) experiments, allowing for the study of electrochemical processes and determination of redox potentials.
  • Electrolysis: As the counter electrode in electrolysis experiments, providing electrons for reduction reactions and ensuring efficient current flow.
  • Fuel cells: As the counter electrode in fuel cells, facilitating electron transfer and enhancing cell efficiency.
  • Solar cells: As the counter electrode in dye-synthesized TiO2 solar cells, improving ionic diffusion and enabling higher current output.
  • Sputtering: As the target material in sputtering processes, producing thin platinum films with high electro-catalytic properties and low resistance.

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FAQ

What Is The Purpose Of A Platinum Auxiliary Electrode?

The purpose of a platinum auxiliary electrode is to provide a surface for the transfer of electrons between the working electrode and the solution. This is necessary to maintain a balance of charge in the solution and to prevent the inhibition of electron transfer at the working electrode.

What Are The Benefits Of Using A Platinum Auxiliary Electrode?

Platinum auxiliary electrodes offer a number of benefits, including:* High surface area, which provides a large surface area for the transfer of electrons* Inertness, which means that the platinum auxiliary electrode does not react with the solution* Corrosion resistance, which means that the platinum auxiliary electrode is not damaged by the solution

How Do I Choose The Right Platinum Auxiliary Electrode?

The right platinum auxiliary electrode for your application will depend on a number of factors, including:* The size of the working electrode* The type of solution being used* The current density* The temperature

What Is An Electrode In Electrochemistry?

An electrode is a solid electrical conductor that serves as the point where current enters and leaves the electrolyte in an electrochemical cell. When the current leaves the electrode, it is called the cathode, and when it enters, it is called the anode. Electrodes are essential components of electrochemical cells, transporting produced electrons from one half-cell to another, which produces an electrical charge. The charge is based on a standard electrode system (SHE) with a reference potential of 0 volts and serves as a medium for any cell potential calculation.

What Is The Function Of Auxiliary Electrode?

The auxiliary electrode, also known as the counter electrode, is an electrode used in a three-electrode electrochemical cell for voltammetric analysis or other reactions where an electric current is expected to flow. Its primary function is to provide a pathway for current flow in the electrochemical cell without passing a significant current through the reference electrode. It provides a means of applying input potential to the working electrode. The auxiliary electrode may be isolated from the working electrode to prevent any byproducts generated from contaminating the main test solution. It is often fabricated from electrochemically inert materials such as gold, platinum, or carbon.

What Are The 3 Electrodes In Electrochemistry?

The three electrodes commonly used in electrochemistry are the Working Electrode (WE), Reference Electrode (RE), and Counter Electrode (CE). The WE is where the electrochemical reaction occurs and the current is measured. The RE provides a stable reference potential for the measurement. The CE completes the circuit and balances the charge between the WE and RE. Proper preparation and use of each electrode is crucial for accurate electrochemical experiments.

What Is The Difference Between Auxiliary And Reference Electrode?

The main difference between auxiliary and reference electrode lies in their function in an electrochemical cell. The auxiliary electrode, also known as the counter electrode, is used to facilitate charge transfer to and from the analyte and pass all the current so that the current at the working electrode can be controlled. On the other hand, the reference electrode is used to reference when measuring and controlling the potential of the working electrode and does not pass any current. The reference electrode has a fixed potential, while the potential of the auxiliary electrode can change.

What Are The Different Types Of Electrochemical Electrodes?

There are several types of electrochemical electrodes, each designed for specific applications. The most common types include working electrodes, reference electrodes, and counter electrodes. Working electrodes are the primary electrodes where the electrochemical reaction of interest takes place. Reference electrodes provide a stable reference potential against which the working electrode potential can be measured. Counter electrodes complete the circuit by providing a site for the flow of electrons to balance out the current passing through the working electrode.

What Materials Are Commonly Used For Auxiliary Electrodes?

The choice of materials for auxiliary electrodes depends on the specific electrochemical system and the desired reaction. Common materials for auxiliary electrodes include platinum, graphite, stainless steel, and certain metal alloys. These materials are typically inert and do not participate in the desired electrochemical reaction, ensuring that the auxiliary electrode's role remains solely as a conductor for current flow.

What Materials Are Commonly Used For Electrochemical Electrodes?

Various materials can be used for electrochemical electrodes depending on the specific application and requirements. Common materials include noble metals such as platinum, gold, and silver, which provide excellent conductivity and chemical stability. Carbon-based materials like graphite or glassy carbon are also commonly used due to their high surface area and good electrical properties. Additionally, metal oxides, conductive polymers, and composite materials are employed for specific applications that necessitate unique properties such as catalytic activity or selectivity.

How Do Auxiliary Electrodes Affect The Performance Of An Electrochemical Cell?

Auxiliary electrodes play a crucial role in the performance of electrochemical cells. They help maintain a balanced electrical potential, minimizing side reactions or unwanted reactions at the working electrode. The choice of appropriate materials for the auxiliary electrode is essential to prevent contamination or interference with the desired electrochemical process. Additionally, the design and positioning of the auxiliary electrode within the cell can impact overall efficiency and uniformity of current distribution. Proper selection and placement of auxiliary electrodes can enhance the performance, accuracy, and reproducibility of electrochemical measurements or processes.

What Factors Should Be Considered When Selecting An Electrochemical Electrode?

When selecting an electrochemical electrode, several factors should be considered. The choice of electrode material is crucial, as it determines the electrode's conductivity, stability, and catalytic activity. The electrode size and geometry should match the specific experimental setup and requirements. Consideration should also be given to the compatibility of the electrode material with the electrolyte and the potential range of the electrochemical system. Additionally, cost, availability, and ease of fabrication should be taken into account when selecting an electrode for practical applications.

Why Are Auxiliary Electrodes Necessary In Electrochemical Systems?

Auxiliary electrodes are necessary in electrochemical systems to maintain electrical neutrality and ensure the flow of current. In many electrochemical reactions, the desired reaction occurs at the working electrode, while the auxiliary electrode acts as a counterbalance. It helps to complete the circuit by providing a path for the flow of electrons or ions, thereby allowing the continuous movement of charge and ensuring the overall electrochemical reaction proceeds smoothly and efficiently.

How Can Electrochemical Electrodes Be Used In Various Applications?

Electrochemical electrodes find applications in a wide range of fields, including energy storage and conversion, corrosion analysis, sensors and biosensors, electroplating, and water treatment. They are used in batteries and fuel cells to facilitate the electrochemical reactions that store and convert energy. Electrochemical sensors and biosensors utilize electrodes to detect and measure analytes in various samples. Electroplating and electrorefining processes rely on electrodes to deposit or extract metal ions. Additionally, electrochemical electrodes are employed in electrochemical machining, electroanalysis, and many other research and industrial applications that involve studying or manipulating electrochemical phenomena.

Are There Any Limitations Or Considerations When Using Auxiliary Electrodes?

When using auxiliary electrodes, several limitations and considerations should be taken into account. The choice of materials for the auxiliary electrode is critical to prevent any unwanted reactions or contamination that could affect the desired electrochemical process. Compatibility between the auxiliary electrode and the electrolyte or reactants should be considered to ensure stability and long-term performance. Additionally, the design and positioning of the auxiliary electrode should be carefully optimized to minimize current distribution issues or potential interference with the working electrode. It is also essential to regularly monitor and maintain the auxiliary electrode to prevent degradation or contamination that could impact its performance. Finally, the size and shape of the auxiliary electrode should be considered to ensure compatibility with the specific electrochemical cell or system being used.
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Product Datasheet

Platinum Auxiliary Electrode for Laboratory Use

Category Catalog

Electrochemical Consumables


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