Graphite Disc Electrode for Oil Analysis

Stable conductivity for reliable spectral analysis
High-purity, low-ash graphite for accurate results
Excellent resistance to oxidation and thermal shock
Used together with the spectral graphite rod as complementary consumables.

Some graphite disk electrodes and spectral graphite rods are placed on the desk.

Description

The graphite disc electrode is a critical consumable in the rotating disc electrode atomic emission spectroscopy (RDE-AES) system, primarily used for oil condition monitoring and elemental analysis. This product is widely applied following the ASTM D6595 standard method for rapid and accurate determination of wear metals, contamination elements, and additive elements in in-service lubricating oils, hydraulic oils, and industrial oils.

The electrode is manufactured from high-purity spectroscopic-grade graphite, featuring excellent electrical conductivity, high-temperature resistance, and oxidation resistance. It is suitable for frequent oil analyses both in laboratories and on-site, providing reliable data support for equipment condition monitoring and predictive maintenance.

Features

High-purity spectrographic-grade graphite. Effectively reduces impurity background signals, minimizes elemental interference, and enhances analytical accuracy.
Exhibits excellent discharge stability. Ensures consistent excitation conditions, enhancing the repeatability and reliability of analytical results.
Compatible with RDE-AES analytical systems. Specifically designed for oil elemental analyzers utilizing rotating disc electrode technology.
Strict dimensional and shape control. Precision-machined disc structure ensuring rotational stability and analytical consistency.

Specifications

Table 1: Specification of Graphite Disc Electrode
Item	Description
Material	High-purity spectrographic-grade graphite
Outer Diameter (O.D.)	Ø12.5 ±0.03 mm
Inner Diameter (I.D.)	Ø3.16 ±0.03 mm
Thickness	5.08 ±0.08 mm
Electrode Type	Graphite Disc Electrode
Analytical Method	RDE-AES（ASTM D6595）
Shape	Disc
Surface Condition	Precision Machined
Purity	Low Ash Content, Low Trace Element Background
Applicable Equipment	Spectroil Series Oil Elemental Analyzers
Customization	Dimensions and Tolerances Customizable to Equipment Specifications