ASTM D4768
Standard Test Method for Analysis of 2,6-Ditertiary-Butyl Para-Cresol and 2,6-Ditertiary-Butyl Phenol in Insulating Liquids by Gas Chromatography
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About This Item
ASTM D4768 is a technical standard for analyzing 2,6-ditertiary-butyl para-cresol and 2,6-ditertiary-butyl phenol in insulating liquids by gas chromatography. It provides a consistent test method for identifying and measuring these compounds in dielectric fluids, helping users support laboratory evaluation, quality control, and product verification. For organizations working with insulating liquids, this standard helps create more reliable test results and clearer comparison between samples.
What is ASTM D4768?
ASTM D4768, Standard Test Method for Analysis of 2,6-Ditertiary-Butyl Para-Cresol and 2,6-Ditertiary-Butyl Phenol in Insulating Liquids by Gas Chromatography, describes a chromatographic approach for analyzing specific antioxidant-related compounds in insulating liquids. The standard is intended to support controlled testing with a defined laboratory method, which can improve consistency in measurement and reporting. As an ASTM standard, it is designed to give users a common technical reference for this type of chemical analysis.
Where is ASTM D4768 used?
This standard is commonly used in laboratories and technical facilities that evaluate insulating liquids for electrical equipment. It is relevant where gas chromatography is used to check the presence or level of 2,6-ditertiary-butyl para-cresol and 2,6-ditertiary-butyl phenol in fluid samples. ASTM D4768 is particularly useful for testing workflows tied to incoming material inspection, maintenance programs, and routine analytical review of insulating liquids used in transformer and similar electrical applications.
Why is ASTM D4768 important?
ASTM D4768 matters because it supports more consistent analysis of key chemical constituents in insulating liquids. A standard test method helps reduce ambiguity in laboratory work, making results easier to compare across sites, suppliers, and testing programs. This can support compliance efforts, procurement decisions, and quality control processes. For users managing insulating fluids, the standard can also help identify variation that may be relevant to product performance and ongoing condition assessment.
- Gas chromatography-based analysis
- Insulating liquid testing
- Measurement of specific phenolic compounds
- Laboratory consistency and repeatability
- Quality control and technical review
- Publication Date: 2019-12-12
- Publisher: ASTM
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