Ash Content Tester

Ash Content Tester

Ash content testing solutions for petroleum, fuel, and industrial oils.
Ash content testers are used to determine the amount of inorganic residue remaining after the controlled combustion of petroleum products, fuels, and industrial oils. Ash content testing is an important quality control parameter for evaluating product purity, additive content, and deposit-forming tendencies.

Ash Content Test Methods:

Direct Ash Determination

Sulfated Ash Determination
Sulfuric acid is used during combustion to convert metallic additives into stable sulfates, providing a more accurate indication of additive-derived ash in oils.

Standards for Carbon Residue Testing

ASTM D482 – Ash from Petroleum Products
ASTM D874 – Sulfated Ash from Lubricating Oils and Additives
ISO 6245 – Petroleum Products — Determination of Ash

Ash Content Testing Solutions

Ash content testing measures the non-combustible residue left after a petroleum product or fuel sample is burned under specified conditions. The remaining ash represents inorganic materials such as metallic additives, contaminants, or impurities.

Excessive ash content may lead to deposits, fouling, corrosion, and wear in engines, turbines, and industrial equipment. Ash content testing is therefore widely applied in petroleum refining, fuel quality control, and industrial oil analysis.

Applications of Ash Content Tester

Our ash content testers are widely used in:

· Petroleum product quality control
· Fuel testing for diesel, gasoline, and fuel oils
· Industrial oil and process oil testing
· Evaluation of metallic additive residues
· Refinery and petrochemical laboratory analysis

Key Carbon Residue Testing Parameters

· Ash Content (%)
Percentage of inorganic residue remaining after combustion.

· Combustion Temperature
Controlled heating to ensure complete burning without sample loss.

· Residue Stability
Accurate and repeatable ash measurement under standardized conditions.

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Ash Content Tester

Ash content testers are designed for laboratory use, providing:
Stable and uniform furnace temperature
Controlled combustion environment
Reliable residue determination
Compliance with ASTM and ISO standards

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FAQ – Ash Content Tester