ISO 3987 Standard Test for Determination of Sulphated Ash in Petroleum Products, Lubricating Oils and Additives

Liquids and Fuel Tests

ISO 3987 Standard Test for Determination of Sulphated Ash in Petroleum Products, Lubricating Oils and Additives

EUROLAB laboratory provides testing and compliance services within the scope of ISO 3987 standard. ISO 3987 describes a procedure for determining the mass percent of sulfated ash from unused lubricating oils containing additives and additive concentrates used in the composition.

ISO 3987 Standard Test for Determination of Sulphated Ash in Petroleum Products, Lubricating Oils and Additives

These additives usually contain one or more of the following metals: barium, calcium, magnesium, zinc, potassium, sodium and tin. Sulfur, phosphorus and chlorine elements can also be found in combination.

Application of this procedure to sulfated ash levels below 0,02% (m/m) is limited to oils containing ashless additives. The applicability lower limit of the procedure is 0,005% (m/m) sulfated ash.

Sulphated ash can be used to indicate the concentration of known metal-containing additives in new lubricating oils. In the absence of phosphorus, barium is converted to sulfates of calcium, magnesium, sodium and potassium, oxides of tin (IV) and zinc.

EUROLAB assists manufacturers with ISO 3987 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.

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