ASTM D 4768:2011

Standard Test Method for Analysis of 2,6-Ditertiary-Butyl Para-Cresol and 2,6-Ditertiary-Butyl Phenol in Insulating Liquids by Gas Chromatography

German title: Bestimmung von 2,6-Ditertiärbutyl-Paracresol und 2,6-Ditertiärbutyl-Phenol in Elektroisolierölen durch Gaschromatographie
Publication date: 2011 reapproved: 2019
Original language: English
Pages: 4

Publication date: 2011 reapproved: 2019
Original language: English
Pages: 4
DOI: https://dx.doi.org/10.1520/D4768-11R19

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Short description

1.1 This test method covers the determination by gas chromatography of 2,6-ditertiary-butyl para-cresol and 2,6-ditertiary-butyl phenol in new and used insulating liquids at concentrations up to 0.5 %. It includes the determination in Type I and II insulating mineral oils as specified in Specification D3487 , but has also been used to measure these inhibitors in other insulating liquids, such as esters and high fire-point hydrocarbons. 1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

ICS

29.040.10

DOI

https://dx.doi.org/10.1520/D4768-11R19

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