ASTM D3228
Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
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About This Item
ASTM D3228 is the ASTM standard for determining total nitrogen in lubricating oils and fuel oils by a modified Kjeldahl method. It is used to measure nitrogen content in these petroleum-based materials, helping support product evaluation, quality control, and compliance-related testing. By providing a recognized laboratory approach, this technical document helps users compare results consistently across batches, suppliers, and applications where nitrogen levels may matter to performance or specification requirements.
Overview of ASTM D3228
ASTM D3228, Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method, describes a laboratory procedure for measuring total nitrogen in selected oil products. The method is centered on a modified Kjeldahl approach, which gives the standard its technical identity and scope. As an ASTM standard, it is intended to support repeatable testing and a common reference for laboratories, buyers, and producers working with lubricating oils and fuel oils.
Common use cases of ASTM D3228
This standard is commonly used in analytical and quality control settings where lubricating oils or fuel oils need to be checked for total nitrogen content. It may be applied during product development, incoming material review, batch release, or conformance testing. Laboratories and petroleum-related testing workflows often rely on ASTM D3228 when a standardized nitrogen determination method is needed for comparison, documentation, or specification support.
Benefits of using ASTM D3228
Using ASTM D3228 helps create a consistent basis for measuring total nitrogen in oils, which can improve comparability across tests and reduce uncertainty in reporting. It supports procurement and quality decisions by giving stakeholders a recognized test method to reference. For organizations managing lubricating oils and fuel oils, the standard can aid compliance efforts, product evaluation, and risk reduction by helping ensure testing is performed under an established ASTM procedure.
- Total nitrogen determination
- Lubricating oils and fuel oils
- Modified Kjeldahl method
- Laboratory testing reference
- Quality control support
- Publication Date: 2022-11-01
- Publisher: ASTM
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